Saturday April 30 2011 
Time  Replies  Subject 
11:18PM 
3 
indexing into a data.frame using another data.frame that also contains values for replacement 
7:28PM 
3 
using tapply with multiple variables 
7:18PM 
1 
Sys.getenv at startup is not working properly 
5:27PM 
4 
QQ plot for normality testing 
4:47PM 
2 
recommendation on B for validate.lrm () ? 
4:27PM 
3 
Copying to R a rectangular array from a Java class 
2:47PM 
0 
bootcov or robcov for odds ratio? 
2:44PM 
1 
help with a survplot 
2:26PM 
2 
create namespace without creating a package? 
12:28PM 
2 
Psuedoinverse of a Nonsquare Matrix 
11:15AM 
0 
monthly means of ts object 
11:06AM 
1 
More flexible aggregate / eval 
10:26AM 
0 
Conditional mode estimates in npconmode 
6:17AM 
1 
Sorting dataframe by number of occurrences of factor 

Friday April 29 2011 
Time  Replies  Subject 
11:41PM 
1 
regular expression in gsub() for strings with leading backslash 
10:15PM 
0 
Least square with Bounds 
9:49PM 
1 
Use nparcomp function from nparcomp library to run post hoc 
8:27PM 
4 
For loop and sqldf 
8:14PM 
1 
memvsize in R 
7:47PM 
6 
Bigining with a Program of SVR 
7:39PM 
0 
using R in C# 
7:31PM 
1 
Analysis and graphics by groups 
7:26PM 
1 
Conditonal Rank 
7:14PM 
1 
RCurl and postForm() 
6:29PM 
0 
mlogit package, "Error in X[omitlines, ] < NA : subscript out of bounds" 
5:42PM 
1 
The bin/R file  hardcoded paths 
4:29PM 
1 
logistic regression with glm: cooks distance and dfbetas are different compared to SPSS output 
3:39PM 
1 
Regression Summary for a List 
3:27PM 
1 
importing and filtering time series data 
3:19PM 
2 
read.csv fails to read a CSV file from google docs 
3:10PM 
1 
Specify custom par(mfrow()) layout for defined plot() 
2:43PM 
1 
Problem with qualitative variables in anova 
2:14PM 
0 
Trying to get RWeka/Snowball to work 
1:37PM 
4 
threshold matrix 
1:14PM 
2 
abline outside of plot region 
1:06PM 
1 
Element by Element addition of the columns of a Matrix 
11:09AM 
0 
Summer student internship placement at University of York / YCCSA / SEI (paid) 
11:07AM 
0 
is there a way/library for generating colorful noise in R ?? 
10:47AM 
1 
3way contingency table 
10:45AM 
2 
replace non numeric with "NA" 
10:35AM 
4 
plot several histograms with same yaxes scaling using hist() 
10:03AM 
2 
Reference variables by string in for loop 
9:10AM 
1 
question of VECM restricted regression 
9:04AM 
0 
Plot multiple ctrees in the same figure 
8:27AM 
1 
matrix evaluation using if function 
7:01AM 
1 
bootstrapping problem 
6:05AM 
2 
Still confused about classes 
3:21AM 
3 
Change the text size of the title in a legend of a R plot. 
3:08AM 
3 
How to define specially nested functions 
1:46AM 
3 
why doesn't ifelse work ? 
12:02AM 
1 
Handling of irregular time series in lineChart 

Thursday April 28 2011 
Time  Replies  Subject 
11:49PM 
1 
Undefined columns selected 
10:37PM 
1 
using lme4 with three nested random effects 
10:15PM 
3 
Problem loading quantreg 
9:58PM 
1 
Variance 
9:44PM 
0 
run r scripts (tinn) via command 
9:40PM 
4 
Line numbers of scan(0 
9:33PM 
1 
Nomograms from rms' fastbw output objects 
8:56PM 
2 
Generating a best fit line for non linear data 
7:53PM 
3 
subset without removing NAs 
7:49PM 
1 
Subscript out of Bounds 
7:45PM 
5 
fisher exact for > 2x2 table 
7:13PM 
2 
Subsetting Data 
6:09PM 
3 
Putting xaxis in opposite order 
5:27PM 
3 
Speed up code with for() loop 
4:30PM 
1 
Help ave() function 
4:17PM 
0 
help needed with LU decomposition: problem with sparse 
4:13PM 
0 
fit a marked poisson process using a quadrature scheme with 'spatstat' 
4:01PM 
4 
how to generate a normal distribution with mean=1, min=0.2, max=0.8 
3:43PM 
0 
How to average outputs 
3:23PM 
1 
Coding design with repeated measurements in the survey package 
3:00PM 
1 
Merging two columns of a data frame 
2:30PM 
1 
visualizing bootstrapped dendrogram 
2:16PM 
2 
for loop with global variables 
1:37PM 
0 
Generate normally distributed correlation matrix 
1:18PM 
3 
Simple General Statistics and R question (with 3 line example)  get z value from pairwise.wilcox.test 
12:43PM 
1 
Best Practices for submitting packages to CRAN 
11:52AM 
0 
Help with multiresponse multiple factor model with varying number of factors 
11:39AM 
2 
changing a specific column name 
11:31AM 
1 
Extract complete rows by group and maximum 
11:30AM 
2 
Problem installing package "sp" in R 2.13.0 
11:26AM 
5 
R forum for only Statistics 
9:17AM 
1 
DLSODA error 
9:11AM 
0 
search functions for use on vector of ordered data 
8:25AM 
1 
AutomaticTRUE/FALSE Matrix Generation 
7:56AM 
1 
"competitive risk model" 
3:00AM 
2 
gridBase Base Plot Positioning 
2:33AM 
1 
Trying to perform an inner loop a random number of times 
2:31AM 
1 
Problems downloading statmod cran package 
2:22AM 
0 
Read function that detects format automatically 

Wednesday April 27 2011 
Time  Replies  Subject 
11:24PM 
1 
Reading file 
9:27PM 
0 
data.table 1.6 is now on CRAN 
9:22PM 
3 
KolmogorovSmirnov test 
9:17PM 
2 
ROCR for combination of markers 
8:55PM 
3 
MASS fitdistr with plyr or data.table? 
8:43PM 
0 
Using df and pf 
7:37PM 
0 
Rulebased regression models: Cubist 
7:08PM 
1 
ctree and survival problem 
6:00PM 
2 
Writing Macros for RExcel 
5:55PM 
2 
Convert filogenetic tree to binary matrix 
5:23PM 
3 
Question on list object 
4:16PM 
0 
treatment of factors and errors in ridge() function with coxph 
4:00PM 
1 
glmnet package: penalty.factor option 
3:54PM 
1 
applying uniroot function to each element in vector 
3:42PM 
4 
Pause the execution of a function 
3:34PM 
1 
bwlpot problems: printing, and tick labels 
2:41PM 
1 
centroid representation and MANOVA 
2:34PM 
1 
paste function by INDICES 
1:43PM 
1 
Attempting to access an R list from within C code 
1:16PM 
3 
setting options only inside functions 
1:15PM 
1 
msvcr80.dll is missing 
12:50PM 
1 
str() without any details  only structure? (removing elements from list) 
12:38PM 
0 
Turning a vector into a matrix based on a matrix of vector indices 
12:15PM 
1 
read.table: fill=T for header? 
11:59AM 
1 
Eval to write many files 
11:46AM 
2 
arch=i386 
11:30AM 
3 
calculations with vectors of unequal length 
11:24AM 
1 
quantmod: Error in charToDate(x) 
11:04AM 
3 
fast way to compare two matrices 
10:49AM 
1 
lattice wireframe with logarithmically scaled axis? 
9:59AM 
2 
Instances of a C++ class in R 
9:46AM 
0 
Kruskal.test 
9:39AM 
0 
lavaan version 0.48 
9:36AM 
6 
Assignments inside lapply 
9:16AM 
3 
Speed up plotting to MSWindows graphics window 
9:02AM 
2 
multiple comparisons on a between factor 
8:03AM 
2 
Empty Data Frame 
7:32AM 
0 
spikeSlabGAM 
7:01AM 
5 
Fitting gamma and exponential Distributions with fitdist 
6:23AM 
1 
matrix of higher order differences 
2:15AM 
1 
Problem about step and stepAIC 
12:13AM 
2 
submatrix block size 

Tuesday April 26 2011 
Time  Replies  Subject 
11:37PM 
1 
Problems saving an Object called by get 
10:55PM 
0 
calculate probability circles 
10:51PM 
1 
Barplot for degree distribution 
10:22PM 
1 
logistic regression: wls and unbalanced samples 
10:19PM 
3 
density plot of simulated exponential distributed data 
9:29PM 
2 
Undestanding return() 
9:28PM 
2 
matrix 
8:43PM 
1 
Least Squares Method 
8:15PM 
3 
Normality tests 
8:06PM 
0 
Questions about 'heatmap.2' function 
7:54PM 
0 
plot() under Rserve 
7:47PM 
0 
Segmented Error Message 
7:06PM 
1 
About snow packages 
6:09PM 
6 
Tell the difference between characters 
5:46PM 
1 
separate and arrange outputs 
4:20PM 
1 
Hook into Coercion Framework for data.frame 
3:58PM 
0 
Problem with lapply and splitted variables 
2:57PM 
1 
splitting and reorganising a data.frame 
1:19PM 
0 
Immutable ticks using ts.plot? 
12:19PM 
1 
Running Fortran code from R 
12:01PM 
7 
Second largest element from each matrix row 
11:45AM 
2 
R plot : hat symbol and cex.lab 
10:19AM 
0 
VIP extraction 
10:08AM 
2 
what's wrong with plot(..., type="p")? 
8:18AM 
2 
RStudio manipulate command 
7:23AM 
0 
unknownR : you didn't know you didn't know? 
4:48AM 
1 
rJava Help 
1:29AM 
1 
Install and Configure RSQLite in Ubuntu 

Monday April 25 2011 
Time  Replies  Subject 
10:29PM 
1 
Trouble Passing a for loop variable (iteration #) to a data frame 
9:39PM 
2 
Problem installing XML in Ubuntu 10.10 
9:28PM 
1 
split data frame by factor 
8:50PM 
3 
My code is too "loopy" 
7:59PM 
0 
Rook: software and specification for R web applications and servers 
7:53PM 
9 
Factor function 
7:28PM 
3 
Generalized Linear Model 
5:58PM 
2 
extracting names from matrix according to a condition 
5:52PM 
3 
About How to check if a html directory exists 
5:28PM 
1 
Help with objects 
5:19PM 
2 
Problem with ddply in the plyrpackage: surprising output of a datecolumn 
4:42PM 
0 
Problem with grid's textbased units and TrueType fonts 
4:03PM 
1 
R equivalent to (D)QDAWO in Fortran? 
1:54PM 
0 
R workshop in Hamilton, Ontario, May 24 and 25 
1:20PM 
0 
Survival analysis: same subject with multiple treatments 
1:01PM 
4 
blank space escape sequence in R? 
12:39PM 
0 
probit regression marginal effects 
10:17AM 
4 
regular expression for nth character in a string 
9:46AM 
1 
Defining origin for rotation in RGL device 
7:58AM 
3 
Question on Import 
4:42AM 
1 
average among one factor in a nested dataframe 
2:26AM 
1 
return code 10 in the R documentation 

Sunday April 24 2011 
Time  Replies  Subject 
11:00PM 
2 
Random Normal Variable Correlated to an Existing Binomial Variable 
9:21PM 
1 
merge with origin information in new variable names 
8:10PM 
3 
If Then Trouble 
4:51PM 
1 
How to offer a patch to a help page? 
3:20PM 
0 
should I use setRefClass() ? 
2:16PM 
1 
EM vs Bayesian 
10:10AM 
1 
set.seed( ) function 
4:44AM 
1 
how to assemble data frame of unknown number of columns in loop 
2:19AM 
2 
help with "\" in strings 
12:38AM 
2 
Multidimensional nonlinear fitting  advice on best method? 
12:37AM 
2 
How to erase (replace) certain elements in the data.frame? 

Saturday April 23 2011 
Time  Replies  Subject 
11:04PM 
1 
Pass String from R to C 
6:57PM 
2 
Loop and Solver with Black/ScholesFormula 
6:31PM 
2 
replace certain elements in data frame 
6:10PM 
1 
R_qsort decreasing =T 
6:07PM 
4 
random typing over text 
6:02PM 
0 
nnet Multinom output of ordered predictors 
6:00PM 
1 
Arguments to order() 
5:51PM 
1 
Assigning variables using a loop 
1:26PM 
1 
Vertical bwplot and stripplot 
1:05PM 
1 
Removing row with smallest value, for a given factor 
10:31AM 
1 
simple loop questions 
10:25AM 
2 
Could I use R function lm or nlm in C code? 
7:53AM 
0 
Using "procGPA" in library "shapes" for one dimension 
3:55AM 
3 
Problem having tick marks aligned when plotting three graphs on top of one another. 
2:51AM 
2 
Using Java methods in R 
2:35AM 
1 
How to delete an entire row, if a specific colum has the value of "#VALUE!" 
12:26AM 
0 
MASS fitdistr call in plyr help! 

Friday April 22 2011 
Time  Replies  Subject 
10:30PM 
2 
statistic Q 
9:52PM 
1 
indexing list elements with lapply? 
8:27PM 
1 
convert string to variable 
7:42PM 
3 
Parametrized object name in Save statement 
6:37PM 
1 
Create 2x2 table from summary data and run chi square test. 
6:16PM 
1 
Insert regression coefficients in a graphic. 
6:10PM 
2 
Convert a presence/ absence matrix to a list of presence only 
5:45PM 
1 
Paste problem when looping variable assignments 
5:31PM 
1 
histogram of dates 
5:02PM 
2 
filling array with functions 
5:01PM 
1 
posthoc test (glht?) which takes treatment into account not just explanatory variable overall 
4:17PM 
1 
trends regarding memory limitations for R use under Linux 
4:13PM 
1 
applying a function over a matrix 2N x M to produce a matrix N x M 
2:00PM 
1 
Survival analysis: same subject with multiple treatments and experience multiple events 
1:59PM 
1 
How to generate normal mixture random variables with given covariance function 
1:53PM 
0 
combining from two samples with restrictions 
12:40PM 
2 
writing/appending a text file 
12:25PM 
2 
Two Copies of Each Message 
11:27AM 
1 
ggplot 
9:23AM 
3 
Reading a TIFF file 
8:45AM 
2 
Image as a vector of values 
7:19AM 
2 
ploting continuos function 
3:56AM 
2 
Matching a vector with a matrix row 
3:42AM 
2 
How to answer the question about transitive correlation? 
3:34AM 
1 
Seeking help re: ? single apply command or an alternative 
3:18AM 
2 
set.seed ( ) function 
2:48AM 
1 
Dual colour ramps based on pos/neg values 

Thursday April 21 2011 
Time  Replies  Subject 
10:36PM 
1 
Rearranging PCA results from R 
9:15PM 
1 
'Structure' compatible between Matlab and R 
8:48PM 
1 
Package check issue: Rprofile.site is not used 
8:23PM 
1 
Rearranging columns with cbind 
8:22PM 
1 
image function with large matrices 
7:28PM 
4 
all combinations with replacement 
7:26PM 
1 
Accounting for overdispersion in a mixedeffect model with a proportion response variable and categorical explanatory variables. 
7:23PM 
1 
Sorting values within a raster 
7:18PM 
0 
usage of dsstd function in fGarch package 
7:08PM 
6 
What does the "<<" operator mean? 
6:28PM 
1 
oneway ANOVA model, with one factor, an unbalanced design and unequal variances 
5:37PM 
2 
Error in png: unable to start png() device 
5:01PM 
0 
Expanding the list of fonts used in PDFs & JPEGs 
4:57PM 
0 
Discovery version of ASREML now free 
4:22PM 
3 
line type lty 
3:36PM 
2 
Converting 16bit to 8bit encoding? 
3:24PM 
1 
Residuals  was: Rcmdr vs SPSS in hungarian 
3:18PM 
0 
Matching package argument exact 
3:05PM 
1 
Converting from density to cumulative distribution 
2:28PM 
1 
Rcmdr vs SPSS in hungarian 
2:18PM 
1 
numbers and superscripts in the same unit of measurement. 
2:03PM 
2 
combining matrices 
2:03PM 
1 
passing a vector of variable names to the ... pairlist function argument 
1:36PM 
0 
Problem loading rJava (win 7) 
1:23PM 
0 
C source code question (Robustbase edition) 
12:06PM 
0 
course: Introduction to Bayesian Data Analysis using WinBUGS and R; Summer School 2011  Portugal 
10:16AM 
0 
Luis Miguel Delgado Gomez/BBK está ausente de la oficina. 
9:36AM 
2 
Retrieve model from R without save 
3:22AM 
0 
automatic font selection, please help 
3:14AM 
1 
Stymied by plyr 
2:45AM 
1 
override default arguments in nested function 
2:09AM 
1 
Help with matching rows 
1:54AM 
1 
Error running pvals.fnc in R version 2.13.0 
1:26AM 
0 
question on automated content analysis program 

Wednesday April 20 2011 
Time  Replies  Subject 
11:30PM 
1 
random value generation in a row 
11:22PM 
0 
R with X_Trader XTAPI 
11:13PM 
1 
taking rows from data.frames in list to form new data.frame? 
10:43PM 
1 
invoking python from R 
10:23PM 
3 
succession time series graph 
9:59PM 
2 
question regarding qmvnorm 
9:36PM 
2 
Rcmdr vs SPSS 
9:33PM 
3 
Help needed! 
8:46PM 
1 
multiple imputation 
8:38PM 
3 
[test message] Can R replicate this data manipulation in SAS? 
8:06PM 
2 
Include C++ DLL, error in ...: C symbol name not in load table 
7:52PM 
2 
get cells by the combination of their column and row names 
7:05PM 
1 
Error in dimnames(x) for Poisson EWMA model 
6:49PM 
0 
Polynomial question solved. 
6:41PM 
0 
polynomial question 
6:40PM 
0 
output usage info to stdout 
6:38PM 
1 
avoiding ifthen statements for looped chisquare tests 
6:37PM 
0 
Crouts algorithm 
5:26PM 
1 
Expanding a VCV Matrix 
5:17PM 
1 
Pattern match 
4:39PM 
1 
Sqldf INSERT INTO 
4:21PM 
0 
Class htest with nonnumeric pvalues 
4:18PM 
0 
Partial Least Squares Regression independent variables 
4:11PM 
1 
Sweave 
4:03PM 
2 
survexp with weights 
3:36PM 
0 
Test email #2: Please ignore 
3:05PM 
1 
Unlist command drops all my column names in the first row and adopts NAs 
3:04PM 
1 
How can I 'predict' from an nls model with a fit specified for separate groups? 
2:04PM 
2 
Random Relabelling 
1:37PM 
1 
Matrix package transpose 
1:26PM 
0 
Test email: Please disregard 
1:23PM 
4 
Two Questions 
11:44AM 
1 
S: expert mailing list for general statistical questions 
11:41AM 
1 
Extrapolating data points for individuals who lack them 
11:26AM 
1 
lapply sequence 
10:00AM 
2 
How to replace 'star (*)' with blank space? 
9:42AM 
5 
Fibonacci 
9:16AM 
7 
grid.table + splom: how to nicely align panel entries 
9:06AM 
0 
make a shortlist of data based on blocks of binary values in one column 
9:01AM 
2 
'Record' row values every time the binary value in a collumn changes 
9:00AM 
2 
user input 
8:59AM 
2 
Integrate na.rm in own defined functions 
8:51AM 
1 
odfWeave \ odfTable and encoding 
8:23AM 
2 
BMA, logistic regression, odds ratio, model reduction etc 
7:50AM 
0 
Sweave stops when opening X11 device fails 
7:46AM 
1 
Allocation of memory to a data frame 
7:25AM 
2 
Error Installing or Updating Packages (Maybe because of a proxy) 
7:14AM 
1 
How to get R plots with FastRweb 
6:56AM 
2 
coercion 
6:30AM 
2 
Saving run time in loop 
3:05AM 
1 
counting values in multiple columns 
3:00AM 
1 
How to check if a value of a variable is in a list 
2:15AM 
1 
Ranked Boxplot generates an extra category? 
2:15AM 
0 
glmnet_1.6 uploaded to CRAN 
2:13AM 
1 
What to do with positive likelihoods 
12:40AM 
0 
trouble with library(FrF2) 

Tuesday April 19 2011 
Time  Replies  Subject 
10:21PM 
4 
Simple question about symbols() 
9:18PM 
1 
Source Code File For an Object 
7:52PM 
0 
doSMP package works better than perfect, at least sometimes. 
7:19PM 
2 
Simple question 
7:14PM 
1 
A small problem with PDF manuals 
7:10PM 
1 
Subsetting a data frame by dropping correlated variables 
6:53PM 
0 
cr.setup & predict with se.fit 
6:47PM 
3 
problem reading csv file 
5:20PM 
3 
How to program with colleagues 
3:47PM 
1 
Boost library in R package. 
3:42PM 
1 
Axes Alignment Problem for Multiple Plots 
3:32PM 
1 
Reducing dimension of a list object 
2:32PM 
2 
cut & histogram 
1:15PM 
0 
Prediction in gamlss package 
11:58AM 
1 
factor analysis  constraints 
11:11AM 
0 
RHmm, mixture of gaussians, memory could not be "read" error 
10:59AM 
4 
rownames in an apply function 
10:10AM 
0 
Error message in package:bayesSurv. Why? 
9:45AM 
2 
Robustbase source question 
9:39AM 
3 
zero fill empty cell in data.frame 
9:37AM 
0 
combining n imputed dataset 
9:34AM 
1 
SPDEP Package, neighbours list for Moran's I on large grid dataset 
9:30AM 
2 
Entire part of number 
9:23AM 
0 
PDF help for linux 
9:04AM 
1 
Prediction interval with GAM? 
8:57AM 
2 
Several factors same levels 
8:05AM 
1 
Plotting lines with equidistant points for identification 
7:46AM 
2 
Data frame with 3 columns to matrix 
7:29AM 
5 
Simple Missing cases Function 
6:26AM 
1 
Rd file processing suggestion  % sign in examples 
5:53AM 
1 
How to get the tuning parameter lamda in storey's qvalue package 
3:19AM 
1 
Which should I use? system.file() path.package() find.package() 
2:08AM 
1 
Define ylim in lattice plot based upon panel function output 
1:51AM 
1 
print.raw  but convert ASCII? 
1:34AM 
0 
How to generate orthogonal matrix with less computational cost 
12:52AM 
1 
How to Extract Information from SIMEX Output 
12:51AM 
1 
Where did my packages go ? 
12:47AM 
2 
Markov transition matrices , missing transitions for certain years 

Monday April 18 2011 
Time  Replies  Subject 
11:55PM 
1 
having trouble with "R CMD INSTALL" 
11:40PM 
1 
Extract indices after comparing two vectors 
10:56PM 
0 
apply lm.beta() to rlm object (robust regression) 
10:34PM 
2 
SQLDF syntax 
10:18PM 
2 
Predicting with a principal component regression model: "nonconformable arguments" error 
10:05PM 
1 
Way OT: Anyone know where to get data on relationship between education and salary 
9:41PM 
2 
A question regarding RFreak 
9:31PM 
3 
Power Analysis 
8:43PM 
4 
splom, plotmath: how to add three lines of information with alignment? 
8:10PM 
2 
Working with massive matrices in R 
7:44PM 
2 
as.formula doesn't want to take a phrase 
7:19PM 
1 
using "aggregate" when variable names contain spaces 
7:13PM 
1 
Comparing two lines  Ancova: lm or aov? 
7:01PM 
1 
"object read.dbf" is not found 
6:41PM 
2 
Import dbf file 
6:18PM 
0 
mcmc simulation 
5:34PM 
0 
Fayez_how to make the colored panels in lattice xyplot 
4:57PM 
0 
package "sensitivity"  sobol2002 indices 
4:38PM 
2 
How to remove the double or single quote from a string (unquote?)? 
4:23PM 
0 
heatmap.2  change column & row locations; angle / rotate 
4:12PM 
1 
qvalue 
4:10PM 
1 
Multiple Groups CFA in Lavaan 
4:06PM 
2 
Avoiding loop 
3:53PM 
1 
From nested loop to mclapply 
3:04PM 
1 
Reorder a data frame according a column randomly reordered. 
2:00PM 
0 
Help with cleaning a corpus 
1:56PM 
3 
how to extract options for a function call 
1:02PM 
4 
altering identity column 
12:58PM 
2 
(no subject) 
12:58PM 
3 
(no subject) 
12:51PM 
0 
Modify rpart 
11:20AM 
2 
plot and lines with time series data 
10:51AM 
1 
XML Packge for Windows XP and R 2.12. 
10:41AM 
4 
(no subject) 
10:27AM 
1 
regression and lmer 
8:29AM 
1 
mapply to lapply 
7:22AM 
1 
Location of libraries in Windows 
6:57AM 
2 
Windows 7, update.packages problem: "unable to move temporary installation"? 
6:33AM 
1 
time dependent hazard ratios 
4:37AM 
0 
error message while running IRT model 
3:46AM 
1 
Print out data frames into neat images 
3:34AM 
1 
cairo device and locator on windows 
2:11AM 
2 
Using jitter function with differing variable lengths 
1:59AM 
1 
covariance matrix: a erro and simple mixed model question, but id not know answer sorry 
12:51AM 
4 
Deleting the last value of a vector 

Sunday April 17 2011 
Time  Replies  Subject 
11:48PM 
2 
Repeating a function 
11:28PM 
0 
NEW ONLINE R COURSE: Fundamentals of Using R 
11:24PM 
1 
as.Date error 
10:40PM 
1 
different colors in a segplot centers (package latticeExtra) 
8:40PM 
1 
URL Scan 
8:21PM 
1 
How to retrieve a vector of a data.frame's variable attributes? 
6:57PM 
1 
Color Key in RColorBrewer 
5:29PM 
1 
converting data.frame into a numeric ( integer) form 
2:51PM 
1 
side by side histogram after splitting data by year 
2:26PM 
1 
reporting lme results 
2:12PM 
0 
multiple instance learning 
1:34PM 
2 
as.Date function error 
11:27AM 
0 
R Reference Card for Data Mining 
11:08AM 
3 
Box plot with 5th and 95th percentiles instead of 1.5 * IQR: problems implementing an existing solution... 
6:41AM 
1 
sweave options with variable 
5:51AM 
5 
cube root 
5:16AM 
0 
kpss 
3:04AM 
2 
Counting elements in columns 
12:31AM 
2 
RJMCMC. 

Saturday April 16 2011 
Time  Replies  Subject 
10:01PM 
1 
Applying interpolation within a convex hull 
9:23PM 
3 
if else statements in data frame 
8:22PM 
2 
adding two colmns of a data frame 
7:30PM 
2 
prb with data.table 
6:47PM 
2 
(no subject) 
5:38PM 
1 
My added packages won't load in r.2.13.0 
5:37PM 
1 
cajolst 
5:17PM 
2 
superimpose graphs 
5:15PM 
1 
600 people's time series 
4:39PM 
1 
CairoPDF, Fonts, and Windows 7 
4:17PM 
1 
simple user input 
2:35PM 
1 
Matching Problem: Want to match to data.frame with inexact matching identifier (one identifier has to be in the range of the other). 
1:04PM 
2 
Rotating the xaxis labels of a barplot 
12:54PM 
0 
Problem using package 'cgdsr' behind http proxy 
10:32AM 
5 
Help me create a hyperstructure 
10:12AM 
1 
Sweave, SweaveHooks and printing the label 
8:28AM 
0 
Question abt power calculation in multistrata data using Hmisc or other package 
7:58AM 
0 
A simple normalcurve question 
7:39AM 
5 
how to get the plot like this by R? 
6:17AM 
0 
regression questions (lm, lmer) 
5:36AM 
0 
is "Gb" gigabyte or gigabit? 
3:50AM 
1 
spatstat regression troubles 
2:21AM 
3 
lme4 problem: model defining and effect estimation  question from new bird to R community from SAS community 
2:20AM 
1 
Cannot access to PDF manuals from R console 

Friday April 15 2011 
Time  Replies  Subject 
11:42PM 
1 
How to make truncated y axis (cut mark) in R plot? 
10:00PM 
2 
Function for deleting variables with >=50% missing obs from a data frame 
9:51PM 
1 
Launcher for Rattle? 
8:31PM 
1 
how to add two data.frame with the same column but different row numbers 
7:57PM 
1 
How to view only error messages on R install in Ubuntu? 
6:53PM 
1 
Whole genome searching of 100bp "D" sequence 
6:49PM 
3 
Monte Carlo Simulation 
6:14PM 
2 
Extract information from the names of a list within lapply 
5:04PM 
1 
GLM and normality of predictors 
4:18PM 
1 
Idetntifying nearest topographic contours to data points 
4:05PM 
1 
question 
3:01PM 
3 
Rsquared for anova 
3:00PM 
2 
prediction error in ROCR package when sampled y consists of only one class 
2:33PM 
0 
Adding Time Series to data.frame without knowing the name of teh time series 
2:20PM 
2 
boxplot with 2 treatments and 2 variables (with 2 corresponding yaxes) 
1:30PM 
1 
no solution yet, please help: extract pvalue from mixed model in kinship package 
1:29PM 
2 
adding a name to cross tab margins 
1:25PM 
1 
Can't use attributes from gml file in Cytoscape 
12:19PM 
2 
str() on a data frame with 600 variables 
11:00AM 
3 
GLM output for deviance and loglikelihood 
11:00AM 
2 
Sweave Executes Package Functions Twice 
9:42AM 
1 
as.matrix strangeness 
4:47AM 
1 
[Rcppdevel] Find number of elements less than some number: Elegant/fastsolution needed 
3:55AM 
1 
How to generate a correlation matrix with restrictions on its eigenvalues 
2:21AM 
0 
RODBC with MySQL sees tables, but queries return zero rows 
1:41AM 
1 
simulations with very large number of iterations (1 billion) 
1:11AM 
1 
Sweave and Slides (Beamer) 

Thursday April 14 2011 
Time  Replies  Subject 
11:34PM 
1 
nesting multiple for loops 
11:02PM 
1 
Statistical Tables Really Fast 
10:23PM 
1 
modify particular factor levels 
9:04PM 
3 
Creating a dataframe from a vector of character strings 
8:49PM 
1 
predict 
8:34PM 
0 
Query to Run R on Groovy and Grails 
7:38PM 
2 
extract cells by columns/rows from matrix 
7:34PM 
3 
Find number of elements less than some number: Elegant/fast solution needed 
7:12PM 
0 
Help converting SAS Proc mixed to R code 
7:07PM 
1 
Plotting an Underbrace in R 
6:20PM 
1 
integer and floatingpoint storage 
5:48PM 
1 
Trouble using "duleg" from labdsv 
5:45PM 
1 
saving a regression model to a file 
5:37PM 
2 
Conveting SAS Proc mixed to R code 
5:36PM 
1 
Automatically extract info from Granger causality output 
5:34PM 
0 
Reshaping and plotting tabular data 
4:29PM 
1 
trouble with \SweaveOpts{grdevice=...} 
4:24PM 
2 
How to see a R code from a package? 
4:17PM 
3 
Trojan in R 2.13.0? 
3:00PM 
1 
help on compare two ranks 
2:47PM 
1 
problem with library tseriesChaos 
2:38PM 
1 
how to code a restriction matrix with the following restrictions 
1:48PM 
4 
Categorical bubble plot 
12:37PM 
1 
Error is assocplot 
11:49AM 
0 
obtain the probability distribution of the slope coefficient 
11:16AM 
0 
question about optim 
11:14AM 
0 
Lm.fit extracting rsquared 
10:58AM 
0 
StructTS fitting problem  can anyone help? 
10:56AM 
1 
Rcpp segmentation faults on the simplest code 
10:25AM 
0 
Return Level Confidence Intervals 
9:45AM 
4 
Problem with R 2.13.0 Task Views (on Mac) 
9:29AM 
2 
Identify period length of time series automatically? 
8:59AM 
2 
appending to a vector 
8:16AM 
2 
Krylov subspace computations of matrix exponentials 
8:16AM 
0 
Question about Autoarima and predict function 
8:01AM 
0 
Automatic splitting/combining nested categorical variable in glm 
7:51AM 
1 
Create matrices for time series 
6:44AM 
1 
Hash table... 
5:45AM 
1 
Overlaying images at nodes of phylogenetic tree 
4:53AM 
0 
any package for Heckman selection model when the outcome equation also probit ? 
4:14AM 
1 
mixed model random interaction term log likelihood ratio test 
3:52AM 
0 
Density estimation and plots 
3:38AM 
0 
extract pvalue from mixed model in kinship package 
3:21AM 
1 
Clearing Console rm(list=ls(all=TRUE)) not working for me 
2:07AM 
1 
if (cond) expr1 expr2 ?? 
12:35AM 
0 
tikzDevice 0.6.0 

Wednesday April 13 2011 
Time  Replies  Subject 
11:12PM 
4 
Comparison of the amount of computation 
9:55PM 
5 
for loop performance 
9:29PM 
1 
Time data 
7:51PM 
2 
Line plots in base graphics 
7:40PM 
1 
error for ttest 
7:37PM 
0 
Data with different time lines for one analysis 
7:32PM 
2 
setting pairwise comparisons of columns 
7:18PM 
1 
zooreg and window 
6:44PM 
0 
setting pairwise comparisons of columns (genes) 
5:40PM 
1 
Previously attainable fisher's exact test 
5:30PM 
3 
latex, eps graphics and transparent colors 
4:29PM 
1 
add names to data frame 
4:13PM 
1 
Extracting selected rows from a matrix to a submatix 
4:06PM 
3 
predict() 
3:57PM 
2 
How to get the names of all the packages that depend on a give package? 
3:40PM 
5 
Clearing Console; of weeks of codes! 
3:36PM 
1 
plotting line graphs for output from crosstabs function 
3:32PM 
1 
Loading a package shared lib works in 2.12 but not 2.11 
3:14PM 
1 
area under roc curve 
3:10PM 
1 
Decimals in R/SQL 
3:07PM 
2 
Wilcoxon rank sum in unbalanced design 
2:58PM 
2 
glmnet 
2:38PM 
1 
Overcoming warning in package zoo 
1:58PM 
1 
Boxplot with two or more Y vectors 
1:14PM 
0 
BackCast and Forecast with stats.arima and forecast.Arima 
12:16PM 
0 
ddply and nlminb 
11:45AM 
0 
iterative method in R software 
11:36AM 
2 
FW: how to enclose two xyplot 
11:17AM 
1 
Find characters in a matrix and return a TRUEFALSE vector 
11:17AM 
0 
AR(1) 
10:36AM 
0 
ordinal predictor in anova 
10:15AM 
1 
strategy for writing out file with lines header initiated with comment sign 
9:15AM 
3 
R plots pdf() does not allow spotcolors? 
9:03AM 
0 
R 2.13.0 is released 
7:09AM 
2 
Dump the "source code" of data frame 
5:54AM 
0 
evaluate a series of equations for a vector 
4:43AM 
0 
Clustering help in Heat Maps 
1:54AM 
1 
print to .jpeg 
1:04AM 
1 
Assign with Paste Problem 
12:43AM 
1 
What does the command diag(solve(matrix)) do? 
12:11AM 
1 
automate package installation 
12:10AM 
4 
is this an ANOVA ? 

Tuesday April 12 2011 
Time  Replies  Subject 
11:57PM 
2 
The three routines in R that calculate the wilcoxon signedrank test give different pvalues.......which is correct? 
11:23PM 
2 
font and size times New Roman 
10:28PM 
2 
Model formula for ols function (rms package) 
9:39PM 
2 
Removing objects and clearing memory 
9:28PM 
1 
How to set the dimension of a matrix correctly? 
9:19PM 
2 
split string into individual valus while reading in R 
8:31PM 
0 
calculate true autocovariance from power spectrum 
7:48PM 
1 
Stepwise Regression with no Origin 
6:20PM 
2 
Assign Character Value to Data Frame 
5:54PM 
1 
Predictkion interval using regression coefficients 
5:54PM 
1 
Using help in Windows version of R with disabled browser 
5:23PM 
2 
a question on the use of 'solve' 
5:05PM 
1 
Compatibility with Work Load/Resource Managers 
4:29PM 
0 
understanding dump.frames; typo; 
4:20PM 
1 
2parameter MLE problems 
3:17PM 
1 
lookup not working properly 
3:02PM 
1 
Model checking for gam (mgcv) result 
2:54PM 
2 
Merge matrix 
2:38PM 
1 
Datadist error 
2:16PM 
1 
extract element from list by rownames 
1:32PM 
1 
Bayesian PCA 
1:30PM 
2 
multiple lines on multiple plots 
12:46PM 
0 
Help required 
12:39PM 
5 
B %*% t(B) = R , then solve for B 
12:17PM 
2 
Converting a categorical variable to multiple dichotemous variables 
11:50AM 
0 
likelihood for new data from fitted nlme object 
11:34AM 
0 
lapply over list and the respective name of the list item 
11:32AM 
4 
1 continuous nonnormal variable ~ 4 factors + 1 continuous covariate (with interactions) 
10:02AM 
1 
question about optim 
10:01AM 
0 
crossvalidation complex model AUC Nagelkerke R squared code 
9:31AM 
1 
plot3d crashes R 
9:19AM 
2 
Testing equality of coefficients in coxph model 
6:46AM 
2 
iterative methods in R 
6:33AM 
2 
Optimzing a nested function 
5:49AM 
2 
regular expression question 
3:46AM 
2 
bind mean to a df 
2:03AM 
1 
font Times New Roman and size 9 of labels of graphics 
12:44AM 
1 
Is there some command or alternative using dist.dna in ape package for models not included like GTR? 

Monday April 11 2011 
Time  Replies  Subject 
11:57PM 
0 
Revolutions Blog: March Roundup 
11:21PM 
0 
model specification: help needed 
11:20PM 
0 
joining data based upon a moving time window? 
10:09PM 
1 
plot  kamada.kawai layout without arrows 
9:05PM 
1 
simple maths question 
8:54PM 
0 
Speeding up "Multinomial Logit"/"Proportional odds model" in R vs stata? 
8:29PM 
1 
Non linear Regression: "singular gradient matrix at initial parameter estimates" 
8:16PM 
1 
Help on calculating a variable using random numbers 
7:48PM 
1 
Getting many substrings but only loading the original string one time. 
7:29PM 
2 
Plotting a quadratic line on top of an xy scatterplot 
6:46PM 
1 
Metaanalysis of a correlation matrix 
6:27PM 
1 
Fwd: CRAN problem with plyr1.4.1 
6:08PM 
1 
RExcel 
5:52PM 
0 
Question about GAM (mgcv) 
4:59PM 
2 
ordered logistic regression  cdplot and polr 
4:44PM 
1 
Zoom on simple.violinplot 
4:33PM 
1 
Problem with facet_grid in ggplot2 
4:24PM 
1 
forest + igraph ? 
3:57PM 
1 
Override col.lines and col.symbol in panel.xyplot with type='b' 
3:49PM 
4 
nndist R vs. ArcGIS 
3:37PM 
3 
Geographic distance between latlong points in R? 
3:20PM 
1 
read in summarised data as table() 
2:53PM 
1 
Regression model with proportional dependent variable 
2:29PM 
1 
good examples of plot(table()) 
2:11PM 
1 
Edate and EOmonth 
12:38PM 
1 
Polar Plots 
12:16PM 
0 
plyr: version 1.5 
11:28AM 
0 
Package fgui returns error: Object of type closure is not subsettable 
10:29AM 
1 
Comparing execution times 
9:50AM 
3 
multiple comparisons with generalised least squares 
9:49AM 
1 
pseudoR by hand 
9:26AM 
1 
Mclapply and print statement 
9:15AM 
1 
heatmap clustering dendrogram export 
7:43AM 
3 
Coding matrix equation 
3:38AM 
1 
predict ordered regresssion 
2:29AM 
2 
Specifying the color of points and the plot symbol to be used on a graph 
12:52AM 
1 
rtmvt 

Sunday April 10 2011 
Time  Replies  Subject 
11:06PM 
1 
Help with basic loop 
9:24PM 
3 
count number of TRUEs in each row 
9:13PM 
3 
About TinnR 
7:22PM 
1 
Fitting controlled released data 
6:01PM 
2 
list to data frame 
5:18PM 
4 
Passwordprotect R script files 
3:47PM 
5 
Question about levels/as.numeric 
3:27PM 
2 
howto calculate column means in data frame 
1:15PM 
0 
Help in cluster MPI and R 
10:30AM 
0 
Duncan's multiple range test 
9:37AM 
2 
Multinomial Logit Model with lots of Dummy Variables 
9:06AM 
0 
maxLik package. 
8:35AM 
1 
MLE where loglikelihood function is a function of numerical solutions 
7:43AM 
3 
open.exe Virus W32.ATRAPS 
2:36AM 
1 
survival object 
1:33AM 
3 
Adding margin text to lattice graphics 
12:47AM 
1 
look for the package of latent class stochastic frontier 

Saturday April 9 2011 
Time  Replies  Subject 
9:34PM 
3 
Converting edgelist to symmetric matrix 
7:30PM 
1 
loop and sapply problem, help need 
6:15PM 
1 
Cointegration test of panel data 
5:24PM 
3 
In need of help with correlations 
4:17PM 
2 
Orthoblique rotation on eigenvectors (SAS VARCLUS) 
2:09PM 
1 
Robust Statistics for Outlier Detection 
12:25PM 
1 
Trouble with Sweave and Beamer 
9:14AM 
5 
Yearly aggregates and matrices 
9:03AM 
1 
For>lapply>parallel apply 
8:34AM 
2 
glm with multiple vars 
7:49AM 
1 
How do I make this faster? 
5:40AM 
0 
Testing. 
3:22AM 
1 
How to define a number of matrices through loops 
2:54AM 
1 
Memory allocation problem 
1:48AM 
2 
best practice(s) for retrieving a local variable from a closure 
1:21AM 
1 
integration 
12:35AM 
3 
In svm(), how to connect quantitative prediction result to categorical result? 
12:04AM 
2 
A question about "txtProgressBar" function 

Friday April 8 2011 
Time  Replies  Subject 
11:52PM 
2 
Finding elements in a character vector 
9:56PM 
1 
Package mice: Error in if (meth[j] != "") { : argument is of length zero 
9:34PM 
0 
How to create a 3d Surface plot from a CSV file? 
8:58PM 
0 
2 dimensional Measure of Smoothness/ Hurst Exponent questions 
8:56PM 
1 
Runing perl script from R 
8:18PM 
2 
a bug in "write.csv"? 
8:11PM 
0 
gstat data formatting 
6:33PM 
1 
statistics 
6:28PM 
0 
dynamic argument names and values as variables inside a loop 
6:11PM 
2 
"local({})" documentation? 
5:56PM 
3 
a strange behavior with ifelse 
4:43PM 
4 
Fast version of Fisher's Exact Test 
4:35PM 
0 
How to check redundancy of variable and reduce data dimension 
4:26PM 
0 
Fwd: The results of your email commands 
3:14PM 
1 
multinom() residual deviance 
3:13PM 
0 
help with arima time series forecasting 
3:08PM 
2 
Snow/Snowfall hangs on windows 7 
3:07PM 
2 
Removing not duplicated rows 
2:33PM 
2 
lars  lasso problem 
2:29PM 
0 
problem with my subscription 
1:53PM 
2 
Quantile Regression and R 
1:20PM 
2 
help question 
1:18PM 
0 
Time Series Clustering for SAR data 
1:16PM 
1 
asking about contour plot with R 
12:32PM 
1 
Adding text labels to lattice plots with multiple panels 
12:16PM 
1 
Estimates at each iteration 
12:06PM 
3 
xyplot, groups and colors 
11:03AM 
4 
Rpart decision tree 
10:52AM 
1 
Variance of random effects: survreg() 
10:44AM 
4 
Very simple question 
9:29AM 
0 
plot.correlogram 
7:44AM 
1 
Is function compiled code or not? 
7:31AM 
3 
random sampling with levels and with replacement 
4:08AM 
1 
R and lazy evaluation 
4:07AM 
1 
Problem installing packages in R 2.11.1 
2:30AM 
5 
Avoiding a loop 
1:46AM 
1 
Sub/Superscript in plot in a loop 
1:15AM 
4 
Simulation from discrete uniform 
12:40AM 
2 
lattice: par.settings: custom axis.line by panel 
12:15AM 
7 
Where is the tcltk package? 

Thursday April 7 2011 
Time  Replies  Subject 
11:54PM 
2 
Rotation Forest in R 
11:45PM 
2 
replace an expression with its value, or read macros 
11:08PM 
1 
cv.lars() function in LARS package 
10:38PM 
1 
By function 
10:11PM 
1 
Odd results with lag 
9:40PM 
3 
Windrose Percent Interval Frequencies Are Non Linear! Help! 
7:09PM 
3 
Correlation Matrix 
6:29PM 
1 
df with max function applied to 6 lags of a variable?!? 
6:21PM 
1 
An extention of outer() ? 
6:13PM 
0 
classification 
5:52PM 
1 
Randomisation tests 
5:47PM 
2 
error reading data help please 
5:17PM 
1 
Panel data  replicating Stata's xtpcse in R 
4:39PM 
1 
plyr workaround to converting by() to a data frame 
4:18PM 
1 
Adding text to page margin with lattice graphics 
3:47PM 
1 
Assigning a larger number of levels to a factor that has fewer levels 
2:30PM 
1 
Problem Installing rJava on MS Win 7 Platform 
2:05PM 
1 
K means algorithm C code 
1:59PM 
1 
package 
1:56PM 
1 
transform() on selective names. Is it possible? 
1:46PM 
1 
dotplot as a background for multiple barchart plots (with Lattice) 
1:03PM 
1 
Automated Fixed Order Stepwise Regression Function 
12:03PM 
2 
Regrouping data 
11:45AM 
2 
Two functions as parametrs of a function. 
11:34AM 
1 
comparing ARIMA model to data 
11:32AM 
1 
Quasipoisson with geeglm 
11:03AM 
1 
extract variance for random effects from "mer" object 
11:00AM 
0 
Hypercluster Finder Function in R 
10:38AM 
2 
Time series of spatial data 
10:10AM 
0 
predict fGarch doubt 
9:27AM 
5 
plot layout with several plots ON plot area of previous plot 
8:48AM 
0 
understanding randomForest results 
8:29AM 
2 
set locale information in R 
7:46AM 
1 
Two questions about metacharacter in regexprs and function return 
7:45AM 
5 
R licence 
7:43AM 
1 
Lars package 
6:14AM 
2 
Selecting data from list object 
3:56AM 
1 
How can I include a new book on the "Books" link at Rproject.org ? 
3:37AM 
3 
force output dimension of table function 
2:55AM 
1 
Ports for communicating with Rmirros sites? 
1:43AM 
0 
RPart Simple Diagram issues 
12:53AM 
0 
multivariate t distribution 
12:01AM 
0 
PARAFAC with PTAk in R? 

Wednesday April 6 2011 
Time  Replies  Subject 
10:09PM 
4 
problem with all/all.equal 
9:59PM 
1 
corSpatial and nlme 
9:47PM 
0 
Fisher exact test approximation? 
9:44PM 
0 
Fisher's Exact test 
9:17PM 
2 
glm predict on new data 
9:14PM 
7 
Quiz: Who finds the nicest form of X_1^\prime? 
9:07PM 
0 
mgp.axis.labels 
9:06PM 
1 
help on pspline in coxph 
8:44PM 
3 
Getting number of students with zeroes in long format 
8:31PM 
1 
Sweave Cairo driver? 
8:02PM 
5 
Need a more efficient way to implement this type of logic in R 
7:40PM 
2 
A zoo related question 
6:32PM 
1 
Treatment of xmlstylesheet processing instructions in XML module 
6:27PM 
3 
ROCR  best sensitivity/specificity tradeoff? 
6:26PM 
0 
Wald test with inequality constraints 
6:23PM 
1 
Teradata ODBC driver 
6:01PM 
0 
smoothing bathymetry 
5:37PM 
1 
unexpected sort order with merge 
4:53PM 
1 
metaplot 
4:04PM 
1 
Use of the dot.dot.dot option in functions. 
3:37PM 
0 
effect sizes 
3:33PM 
3 
Decimal Accuracy Loss? 
3:24PM 
2 
Cannot install pakcage RMySQL 
3:22PM 
0 
Curious treatment of entities in xmlTreeParse 
3:15PM 
0 
read BUFR format radar data 
2:39PM 
0 
RMySQL query Help 
2:03PM 
1 
How to call data elements 
1:32PM 
0 
data smoothing 
1:10PM 
0 
frailty and survival curves 
12:40PM 
0 
[Rpackage] PredictABEL 1.1: Assessment of risk prediction models in R 
12:27PM 
1 
R and multithread 
11:55AM 
1 
Problem to convert date to number 
10:44AM 
0 
CSV file in "tm" package 
10:35AM 
3 
function order 
10:19AM 
2 
Help in kmeans 
10:12AM 
2 
Layout within levelplot from the lattice package 
8:48AM 
3 
Calculated mean value based on another column bin from dataframe. 
8:45AM 
1 
syntax to subset for multiple values from a single variable 
8:39AM 
1 
Creating a symmetric contingency table from two vectors with different length of levels in R 
6:21AM 
1 
Package diveMove readTDR problem 
6:13AM 
1 
executing from .R source file in the src package 
12:28AM 
1 
Error in match.names(clabs, names(xi)) 
12:17AM 
2 
A fortunes candidate? 

Tuesday April 5 2011 
Time  Replies  Subject 
11:48PM 
2 
Pulling strings from a Flat file 
10:34PM 
3 
Search arrays based on similar values 
10:32PM 
0 
solveRsocp in fPortfolio 
8:30PM 
0 
Hazard ratio calculation and KM plot pvalue: 
7:58PM 
2 
IFELSE function XXXX 
7:56PM 
6 
simple save question 
7:14PM 
0 
Changing parameter in local fdr R code 
6:37PM 
2 
Arrangement of Lattice Histograms  Top to bottom and then left to right? 
4:38PM 
2 
Precision of summary() when summarizing variables in a data frame 
4:27PM 
0 
lorena 
4:23PM 
1 
Gibbs sampling 
3:33PM 
3 
loop question 
3:06PM 
2 
Help to check data before putting it in a database 
2:26PM 
1 
Antw: Re: Confidence interval for the difference between proportions  method used in prop.test() 
12:35PM 
2 
Time series example in Koop 
11:20AM 
1 
Value between which elements of a vector? 
11:09AM 
1 
how to label customized y axis when using lattice parallel parameter common.scale=TRUE 
10:46AM 
1 
Help in splitting a list 
10:38AM 
1 
Confidence interval for the difference between proportions  method used in prop.test() 
9:43AM 
2 
Animation for pers3d 
8:49AM 
0 
frailty 
7:40AM 
1 
do not execute newline command 
5:23AM 
1 
Saving console and graph output to same file 
5:20AM 
0 
kmeans clustering java 
1:43AM 
2 
Euclidean Distance in R 
1:39AM 
1 
Grid on Map 
1:15AM 
0 
lists within lists 
1:05AM 
1 
Sample size estimation for sample surveys 

Monday April 4 2011 
Time  Replies  Subject 
11:29PM 
0 
Assigning a class attribute to a list or vector slows "[" down 
10:57PM 
0 
Help in subsetting a List 
10:48PM 
0 
PERT/CPM on R 
10:05PM 
2 
RODBC excel  need to preserve (or extract) numeric column names 
9:39PM 
0 
AIC for robust regression 
9:30PM 
2 
how to handle no lines in input with pipe() 
8:15PM 
2 
General binary search? 
6:23PM 
1 
Granger Causality in a VAR Model 
5:13PM 
1 
automating regression or correlations for many variables 
5:09PM 
2 
merging 2 frames while keeping all the entries from the "reference" frame 
4:35PM 
0 
rsquared for object timeseries 
3:35PM 
0 
Multithreading of Geneland 
3:34PM 
0 
D'Agostino test 
3:02PM 
3 
Adjusting p values of a matrix 
2:56PM 
1 
simulating a VARXls model using dse 
2:41PM 
4 
merging data list in to single data frame 
2:24PM 
5 
Creating multiple vector/list namesnovice 
2:00PM 
1 
Difference in mixture normals and one density 
1:39PM 
2 
gap.barplot doesn't support data arrays? 
1:32PM 
2 
reading from text file that have different rowlength and create a data frame 
12:49PM 
3 
How to speed up grouping time series, help please 
12:31PM 
2 
Examples of webbased Sweave use? 
12:30PM 
1 
moving mean and moving variance functions 
11:39AM 
1 
lattice: how to "center" a subtitle? 
11:24AM 
1 
system() command in R 
10:43AM 
1 
Problem using svm.tune 
10:35AM 
3 
add zero in front of numbers 
10:35AM 
1 
Deriving formula with deriv 
9:54AM 
0 
ticklabs in scatterplot3d 
9:15AM 
2 
Please help 
9:11AM 
1 
Clarks 2Dt function in R 
8:51AM 
1 
svd 
6:58AM 
1 
multiple variables Y and X 
6:32AM 
1 
RmetricsTools.R 
6:11AM 
1 
Support Counting 
3:55AM 
1 
loading R object files on an RWeb server 
3:51AM 
1 
Ordering every row of a matrix while ignoring off diagonal elements 
3:29AM 
1 
RGtk2: How to populate an GtkListStore data model? 
3:02AM 
1 
detect filetype (as in unix 'file') 
12:56AM 
0 
LIVE, ONLINE COURSE: Using R Software for Academic Research Analyses 

Sunday April 3 2011 
Time  Replies  Subject 
11:39PM 
4 
replace last 3 characters of string 
11:10PM 
2 
power of 2 way ANOVA with interaction 
10:16PM 
0 
Avoiding loops in creating a coinvestment matrix 
10:04PM 
1 
Quick question about duplicating vectors 
8:12PM 
1 
How do I modify uniroot function to return .0001 if error ? 
7:41PM 
1 
another question on shapefiles and geom_point in ggplot2 
6:35PM 
1 
installing ncdf on Ubuntu 10.04 
5:57PM 
1 
Rproject: plot 2 zoo objects (price series) that have some date mismatches 
5:46PM 
1 
style question 
5:44PM 
1 
Function for finding NA's 
5:35PM 
0 
coefficients style 
5:01PM 
0 
Standard Error for Cointegration Results 
4:56PM 
1 
Help in splitting ists into sublists 
4:47PM 
0 
Homals package color function problem 
4:42PM 
1 
setCoefTemplate 
4:14PM 
2 
converting "call" objects into character 
3:58PM 
1 
zoo:rollapply by multiple grouping factors 
1:10PM 
2 
:HELP 
1:03PM 
1 
Inverse noncentral Beta 
12:02PM 
3 
Error in "color2D.matplot" : "Error in plot.new() : figure margins too large" 
10:56AM 
3 
kernel density plot 
10:15AM 
0 
Plotting data on a US County Map 
7:24AM 
2 
Unbalanced Anova: What is the best approach? 
2:24AM 
0 
How can I generate a random correlation matrix with some offdiagonal elements being zero 
2:20AM 
2 
conditionally weighted mean with NAs 
1:31AM 
3 
Discretizing data rows into regular intervals 
1:00AM 
0 
[w32] Bug? When trying to autocomplete, rest of the input from cursor is wiped out. 

Saturday April 2 2011 
Time  Replies  Subject 
9:05PM 
2 
I think I just broke R 
8:07PM 
3 
Plotting MDS (multidimensional scaling) 
7:26PM 
0 
cumsum while maintaining NA 
7:18PM 
0 
(no subject) 
5:31PM 
4 
help 
3:18PM 
2 
recommendation on r scripting tutorial? 
3:06PM 
1 
truncated distributions 
12:24PM 
1 
uniroot speed and vectorization? 
8:21AM 
4 
R gui on windows how to force to always show the last line of output 
5:08AM 
2 
Matrix manipulation 
12:39AM 
2 
Putting a loop in a function 

Friday April 1 2011 
Time  Replies  Subject 
10:49PM 
0 
package MICE, squeeze function, calling several variables at once 
10:21PM 
1 
Lattice wireframe or cloud plot with different colours by a group 
9:56PM 
2 
function in argument 
9:24PM 
1 
qcc.overdispersiontest 
8:47PM 
2 
hc2Newick is different than th hclust dendrogram 
6:48PM 
1 
filled contour plot with contour lines 
5:20PM 
1 
mean in the boxplot 
5:19PM 
1 
Fisher's test 
4:32PM 
1 
How to paste a vector of expressions and a character vector? 
4:28PM 
0 
R/Finance 2011 Conference Agenda 
3:24PM 
2 
regression line on boxplots 
3:02PM 
0 
a statistical problem  more statistical strategy for making quality control 
2:12PM 
4 
Rexcel path problem 
2:00PM 
1 
read.table question #only need to change column names 
1:54PM 
1 
converting affybatch object to matrix 
1:43PM 
0 
Large number of Y and X variables 
1:34PM 
1 
controlling the labels width of a barplot 
12:13PM 
0 
useR! 2011 abstract deadline extended by 2 days 
11:59AM 
0 
guidelines for using the R logo 
11:36AM 
0 
Information theoretic approach in GLS 
11:08AM 
3 
programming: telling a function where to look for the entered variables 
10:46AM 
5 
MySql Versus R 
10:32AM 
3 
Syntax coloring in R console 
8:24AM 
0 
Using a variable in a covariance structure and as a predictor  is this OK? 
6:22AM 
1 
principal components 
2:18AM 
2 
Cox Proportional Hazards model with a timevarying covariate 