Friday January 31 2014 
Time  Replies  Subject 
9:36PM 
1 
sapply returning list instead of matrix 
8:11PM 
3 
Automatically naming subsets in a for loop 
6:46PM 
2 
Controlling visibility of toplevel functions 
5:29PM 
2 
Defining function help 
5:13PM 
1 
Problem relocating the R installation tree 
11:35AM 
0 
use of "effects coding" in instrumental variables estimation 
9:58AM 
2 
plotting points over a map using R 
9:27AM 
0 
truncated cone / frustum in R rgl 
9:01AM 
1 
Error Help "only 0's may be mixed with negative subscripts" 
8:41AM 
0 
Fit Negbin glm model with autoregressive correlation structure 
5:59AM 
0 
How does R determine best value of alpha in forecasting 
4:14AM 
1 
Change points in R 
1:07AM 
0 
error in assetsFit function of fPortfolio package 

Thursday January 30 2014 
Time  Replies  Subject 
9:48PM 
0 
glmmADMB error 
9:24PM 
0 
Universal regression program  multiple regressions on set of data 
8:42PM 
0 
Generalized Ordered Logit in R 
6:13PM 
1 
mlogit: message "invalid 'row.names' length" after subsetting data 
5:15PM 
1 
Coeficiente Gini 
3:22PM 
0 
[Rpkgs] SPRINT 1.0.5 release (parallelised R functions for complex analysis and large data sets) 
3:22PM 
0 
SPRINT 1.0.5 release (parallelised R functions for complex analysis and large data sets) 
2:46PM 
1 
print.matrix 
12:20PM 
1 
package mgcv  predict with bam: Error in X[ind, ] : subscript out of bounds 
4:35AM 
1 
Assigning a successive set of values to newly created variables 
12:25AM 
0 
Regsubsets n<p 

Wednesday January 29 2014 
Time  Replies  Subject 
10:19PM 
3 
Understanding namespace for plyr / dplyr 
10:14PM 
1 
Parsing Complex Text in Single Cell 
8:00PM 
0 
Installing diversitree 0.96 on R 3.0.2 
7:49PM 
1 
Creating a Rpackage in RStudio 
7:25PM 
1 
testing xts values in if command? 
5:21PM 
1 
how to read data 
5:03PM 
0 
Problem with plm package 
4:49PM 
1 
Controlling font size on code chunk outputs using Knitr 
4:39PM 
1 
clusterCrit package produces Nan 
4:32PM 
2 
"for" loop in R  strange behaviour 
4:16PM 
1 
generating a rank variable using date in a data.frame: overcoming a date origin error 
4:03PM 
0 
BioNet::runFastHeinz error 
3:33PM 
1 
error message "system is computationally singular" under mlogit 
2:29PM 
4 
Best way to get the prices from these strings? 
1:29PM 
1 
Inconsistent results between first run of Rprof and next runs of Rprof 
11:41AM 
2 
vectorization 
9:29AM 
0 
how to exclude level 1 residuals from multilevel model with lme4 
9:26AM 
0 
sourcing scripts 
9:04AM 
0 
Ideas for a short R course 
6:11AM 
0 
Convert txt file to time series and conduct trend and wavelet analyses 
4:43AM 
2 
Diagnostic and helper functions for defective & hardtoimport files 
1:15AM 
1 
Difference between two datetimes 

Tuesday January 28 2014 
Time  Replies  Subject 
10:06PM 
1 
unique rows 
9:28PM 
0 
Problem while plotting some plots 
9:13PM 
0 
passing variable names to dplyr  SOLVED 
7:27PM 
1 
median survival 
6:32PM 
1 
anova.coxph with subsets of data 
6:32PM 
0 
Help for how to use "snowfall" package 
5:04PM 
1 
Three values that add to the same number by 0.01 steps 
3:59PM 
1 
Handling large SAS file in R 
3:58PM 
1 
Survival analysis 
3:58PM 
2 
Exporting aggregate summary 
2:24PM 
0 
ggplot different shapes and legend in one plot 
2:07PM 
0 
The R Series from Chapman & Hall/CRC 
11:14AM 
1 
augPred subsets 
11:12AM 
2 
Publicationready figures in R? 
7:48AM 
1 
Arguments in functions when packaging 
7:16AM 
1 
Markov chain simulation 
4:18AM 
1 
How do you install cran mac binaries 
3:36AM 
1 
Assigning a factor to a data frame 
3:35AM 
0 
John M. Chambers Statistical Software Award 2014 
2:51AM 
0 
subset a data frame into multiple data frames 
1:38AM 
0 
Use calc function to do RKT over raster stack 
1:20AM 
0 
Error msg while trying to install package ncdf4 
12:49AM 
2 
KnitR/RMarkdown: Is there a way to not print a section of the document? 

Monday January 27 2014 
Time  Replies  Subject 
11:47PM 
1 
Predictor Importance in Random Forests and bootstrap 
9:30PM 
3 
Numeric Column Labels in Excel Function 
9:25PM 
0 
Handlig large SAS file in R 
9:23PM 
0 
using substitute with multiple parameters 
5:15PM 
0 
Bug or my misunderstanding? 
4:52PM 
2 
Problem in overlying two figures in ggplot2 
4:04PM 
1 
Simplifying matrix computation 
3:45PM 
1 
passing variable names to dplyr 
2:11PM 
0 
R and kerberos 
1:56PM 
1 
Using apply function 
1:00PM 
1 
problem (un)detecting changepoints 
12:38PM 
0 
Statistics courses 
11:19AM 
0 
Prediction Intervals predict.Arima 
11:13AM 
3 
Overlaying two graphs using ggplot2 in R 
4:28AM 
1 
problem in getVarianceStabilizedData 

Sunday January 26 2014 
Time  Replies  Subject 
9:33PM 
1 
How can I cluster a set of formulae? 
3:01PM 
1 
pairwise computation of columns in a matrix 
10:58AM 
1 
ETASError 
6:24AM 
0 
What is tested in Ass.3 part 2 
6:19AM 
2 
Ass. 3 part 8  output is correct but submission fails 
1:45AM 
2 
Packaging  Function with dots as argument 
12:55AM 
0 
Regression of complexvalued functions 
12:16AM 
1 
R dataframe question 

Saturday January 25 2014 
Time  Replies  Subject 
10:48PM 
1 
Not sure if I have the requirement right. 
3:29PM 
0 
gam(mgcv) predicting across random effect and understanding narrow CI 
3:27PM 
2 
testing if xts date exists ? 
8:35AM 
0 
definite matrix 
1:09AM 
0 
R 3.0.2 How to SplitApplyCombine using various Columns 

Friday January 24 2014 
Time  Replies  Subject 
9:03PM 
1 
reversed variables in stats::reshape() 
7:22PM 
2 
How to read this data correctly 
6:59PM 
0 
readLines() behavior is really strange 
3:11PM 
1 
RSA and lmer 
2:14PM 
2 
keep track of variables created in each chapter of a knitr book 
11:41AM 
2 
Regression on presence/absence matrix 
8:14AM 
0 
Plotly Beta: Online Plotting with R 
2:09AM 
1 
Safe prediction does not work for bivariate polynomial terms? 
1:53AM 
1 
memory use of copies 
12:56AM 
0 
Comparing two HMMs to time series data using a MonteCarlo method 
12:54AM 
1 
Help with importing scripts within the same package? 

Thursday January 23 2014 
Time  Replies  Subject 
11:31PM 
0 
[Rpkgs] Major update to Hmisc package available on CRAN 
11:31PM 
0 
Major update to Hmisc package available on CRAN 
11:23PM 
2 
Biology package install error 
9:33PM 
0 
Converting Matrix to List 
9:00PM 
1 
degrees of freedom 
8:55PM 
1 
add median/mean line to striplot in lattice 
8:27PM 
3 
summary() and the mode 
7:04PM 
2 
Deleting subsequences from a string sequence 
5:14PM 
0 
Determining appropriate order of Markov chain 
5:12PM 
0 
Matching data in two files but returning a value from a adjacent column 
4:26PM 
2 
counting matches in two vectors 
4:15PM 
1 
R Installation Options 
3:43PM 
3 
counting matched elements in two vectors 
11:51AM 
1 
modify subset of array in list in a function 
9:22AM 
1 
R3.0.2 installation breaks up with error 
8:43AM 
0 
direct AUC maximization in R 
3:36AM 
1 
unable to carry through object in a nested function 

Wednesday January 22 2014 
Time  Replies  Subject 
11:58PM 
2 
subset and na.rm not really suppressing <NA> values 
10:10PM 
1 
xyplots in lattice  strange behaviour, possible bug? 
9:40PM 
1 
Multiple corrgrams or joining jpg/png 
8:55PM 
1 
install ggplot2 
8:51PM 
0 
geo_bar x= and y= warnings and error help 
8:07PM 
0 
reduce space between factors groups in a graph 
4:35PM 
0 
New version of document on R programming  with videos [French] 
4:04PM 
1 
a problem with table() and duplicates 
2:58PM 
0 
Variance analysis 
2:49PM 
1 
Problems with a Rpackages 
12:43PM 
0 
R in remote mode 
11:33AM 
1 
complicated IF 
11:03AM 
1 
ETASHelp 
8:37AM 
1 
Density or Boxplot with median and mean 
7:00AM 
1 
Strange error on text assignment to variable 
3:54AM 
0 
Porting Legacy R Code to Different Language 
12:27AM 
1 
Getting the current number of rows in windows R gui console (Carlos Arias) 

Tuesday January 21 2014 
Time  Replies  Subject 
8:57PM 
1 
how do I extract all possible combinations of rows from a column 
8:49PM 
1 
Windows7, RStudio, can't find package rJava, 
8:48PM 
1 
[datatablehelp] Error in structure(ordered, dim = ns) : dims [product 1] do not match the length of object [0] 
8:05PM 
0 
obtain mean trait values by haplotype in haplo.stats package 
6:58PM 
0 
Strange gcfit output in R package Grofit 
6:17PM 
1 
PCA factominer package, question about changing labels in individuals factor map 
5:56PM 
2 
repeated measures ANOVA using Anova in car library 
9:15AM 
0 
(no subject) 
6:35AM 
2 
how to get the numbers of factors in a matrix 
6:33AM 
1 
long vectors in R 3.0.x 
6:17AM 
1 
My problem with R 
12:25AM 
0 
[Rpkgs] psych version 1.4.1 
12:25AM 
0 
psych version 1.4.1 

Monday January 20 2014 
Time  Replies  Subject 
9:25PM 
0 
lattice 
7:50PM 
0 
Setting up an R server. 
6:31PM 
1 
Q: vcd  assocstats  scaling phi/phi max 
5:47PM 
2 
Type III tests and Cox models 
5:07PM 
3 
Select 5 identical numbers 
2:07PM 
1 
Reading SDMX Files in R 
1:51PM 
0 
"nondeletable" varibles like in packages but during runtime? 
1:12PM 
1 
Grouping commands so that variablas are removed automatically  like functions 
12:39PM 
0 
TAQMNGR 
12:39PM 
0 
[Rpkgs] TAQMNGR 
12:44AM 
1 
collapsing records 

Sunday January 19 2014 
Time  Replies  Subject 
9:59PM 
1 
Generating weights based on certain condition in the dataset 
9:13PM 
2 
changing font size in Forest plot code. 
7:39PM 
5 
how to replace <NA> values 
3:21PM 
0 
subset every 5th row 
3:33AM 
1 
Discussion board 

Saturday January 18 2014 
Time  Replies  Subject 
9:21PM 
3 
accessing an object with a variable ? 
8:48PM 
1 
remove axes on barp from plotrix 
7:54PM 
0 
lm(y ~ group/x ) + predict.lm(...,type="terms") 
6:56PM 
1 
2 phase coxian phase distribution 
2:16PM 
0 
MULTINOMIAL LOGIT WITH ENDOGENEITY 
7:37AM 
1 
shading and estimating area abetween two cdf curves 
4:46AM 
2 
Performing same steps on multiple dataframes using a loop  vijay 
12:26AM 
0 
For loop on column names 

Friday January 17 2014 
Time  Replies  Subject 
6:47PM 
1 
*** caught segfault *** :: a common problem in 3.0.2 
6:21PM 
1 
Startup functionalities bypassing Rprofile 
5:53PM 
0 
R build a package 
4:18PM 
1 
eliminating white space in lattice plot 
2:54PM 
2 
Implementing a Formula into a Column of a Data Frame 
2:30PM 
1 
Implementing a formula into a column of a data frame 
1:53PM 
0 
error message when I try to use help to look at html files 
12:01PM 
2 
Library splines 
9:49AM 
0 
Nonlinear models estimability 
9:12AM 
2 
calculate an value in dependence of another column 
6:00AM 
0 
Setting hetmap.2 Color Key Range Outside of Data Limits 
4:38AM 
0 
Any recommendations for reusable profiling of name fields? 
2:53AM 
1 
Predicting probabilities from a logistic regression by hand (in code) 
1:32AM 
1 
xts error: number of items to replace is not a multiple of replacement length 

Thursday January 16 2014 
Time  Replies  Subject 
11:45PM 
0 
grepping with a variable trouble 
9:47PM 
0 
Question on adding a pvalue in bwplot 
9:34PM 
0 
extracting rows from data frame that approximately equal another data frame 
8:47PM 
1 
names of columns 
6:45PM 
1 
barplot: segmentwise shading 
6:32PM 
1 
Object not Found Error on a .csv file 
5:49PM 
0 
Revolutions blog: December roundup 
3:59PM 
0 
Estimating parameters of 3 parameters lognormal distribution 
3:26PM 
0 
DTM Package removeSparseTerms function question 
1:31PM 
1 
ifelse... 
1:24PM 
0 
predefined area under the curve 
12:25PM 
1 
Doubt in simple merge 
8:50AM 
1 
Subgroups definition with rpart 
5:14AM 
0 
RQuery (fineclassing_Logistic Regression) 
5:14AM 
0 
RQuery (fineclassing_Logistic Regression) 
3:22AM 
3 
demonstrating R in introductory class using pointandclick software 
12:58AM 
1 
Curious behaviour of lapply and lists of functions 
12:37AM 
5 
Regular expressions on filenames 

Wednesday January 15 2014 
Time  Replies  Subject 
9:36PM 
1 
Merge and specify column output order 
8:17PM 
1 
Online profile validation period has expired today. 
6:19PM 
1 
Behavior of selfdefined function within ddply 
4:33PM 
1 
Need some suggestions for outlier detection in a matrix 
3:15PM 
1 
Generate Variable Length Strings from Various Sources 
2:56PM 
3 
Format Sys.time() 
2:51PM 
1 
Weibull selfStart 
2:41PM 
0 
Estimability of nonlinear models 
2:38PM 
4 
How to get a substring from a string 
2:31PM 
1 
problem with Rstudio e X11 
1:14PM 
0 
set new path for package installation, because In normalizePath(path.expand(path), winslash, mustWork) : 
8:42AM 
1 
ggplot2: how to add new names to legend 
6:39AM 
1 
Model averaging using QAICc 
6:30AM 
1 
(no subject) 
3:45AM 
0 
Why is kmeans incredibly slow on this Ubuntu machine? 
3:00AM 
1 
rJava works on R32bit but fails in R 64bit 

Tuesday January 14 2014 
Time  Replies  Subject 
10:56PM 
1 
Implement a Fomula 
9:41PM 
2 
Assignment Week 1 
8:23PM 
1 
Different output for lm Mac vs PC 
7:38PM 
3 
Subsetting on multiple criteria (AND condition) in R 
6:29PM 
2 
Rhelp Digest, Vol 131, Issue 15 
6:08PM 
3 
barchar or barp on multiple data 
5:41PM 
0 
Bivariate Binary model with conditional synchrony measures (CSM) and Odds Ratio 
1:22PM 
1 
About Assigning Missing Values 
1:17PM 
0 
Problems with table 
11:29AM 
1 
about linear model in R 
8:28AM 
1 
How fast is the JSS reviewing process? 
2:48AM 
1 
"squashed" domains when doing PCA with bio3d 
12:39AM 
4 
Plot only a portion of a record 
12:28AM 
1 
Running multidimensional regressions 

Monday January 13 2014 
Time  Replies  Subject 
10:43PM 
1 
likelihood ratio test for mean difference assuming unequal variance 
9:29PM 
2 
How to use ddply 
7:15PM 
2 
Barplot not showing all labels 
6:50PM 
1 
coxph with timedependent covariates 
6:30PM 
2 
tcltk makes R crash under Mavericks 
5:23PM 
0 
HOW TO CREATE A SUBSET FROM A LARGE DATASET based on some conditions 
4:50PM 
0 
Re. Confidence intervals for prediction with R2Bayesx 
11:52AM 
0 
To modify FMCD 
7:48AM 
0 
package JMbayes  version 0.50 
7:48AM 
0 
[Rpkgs] package JMbayes  version 0.50 
7:09AM 
2 
computation 
6:03AM 
1 
How to convert .dot file to gml file in R 
5:02AM 
1 
tables package and alternative to col percent 
3:26AM 
2 
how to change the color of the regression line when using effect function 

Sunday January 12 2014 
Time  Replies  Subject 
11:30PM 
0 
use grep in lists and vectors 
11:19PM 
2 
adding legend to choropleth map using GISTools 
10:27PM 
0 
convert a vector to a symmetric matrix with all 0 on the diagonal 
11:02AM 
1 
ggplot2 axis label German formatting 
10:48AM 
1 
How to subscribe this mailing list 
10:06AM 
0 
How to plot contours for joint density of 2 independently distributed r.v.? 

Saturday January 11 2014 
Time  Replies  Subject 
8:31PM 
0 
Concatenating rows of a column vector 
6:46PM 
2 
Nested for loop help please. 
6:09PM 
1 
Exact logistic regression, data frame issue 
5:29PM 
1 
How to show Vignettes download link on CRAN package page 
3:15PM 
0 
Importing data into R 
3:00PM 
0 
Find the maximum value of a column in a matrix 
3:54AM 
1 
Fwd: Need to delete my messages in Nabble 
2:49AM 
2 
Find the package of a class given classname 

Friday January 10 2014 
Time  Replies  Subject 
10:22PM 
0 
TinnR eBook (free) 
8:45PM 
2 
Conditional inclusion of an element in an R object 
8:41PM 
2 
Problem with barplot 
8:32PM 
3 
SE for Rsquared 
8:31PM 
1 
Maximum of Maximum 
7:29PM 
2 
embedd fonts in pdf generated by R 
7:14PM 
0 
ggplot2; svg; text point size specification 
5:13PM 
2 
Time Series STL 
4:17PM 
0 
Species Distribution Modeling in R, with already extracted environmental values 
3:55PM 
2 
How do you transform a dataframe to a corpus? 
3:20PM 
1 
Selecting individuals to maximize the correlation of two variables 
3:11PM 
1 
Package TM & dataframes 
2:50PM 
1 
R riddle 
1:21PM 
0 
MuMIn ZTest 
11:03AM 
1 
How to determine the order of a time series object 
10:45AM 
2 
barchar and box on the same figure! is it possible 
7:09AM 
0 
GA optimization in two dimensions 
7:04AM 
1 
using lapply to get function values 
7:02AM 
2 
locate pattern in matrix 
3:23AM 
1 
subsetting 3D array 

Thursday January 9 2014 
Time  Replies  Subject 
8:46PM 
0 
looping through 3D array 
7:56PM 
2 
convert real valued matrix to binary matrix 
6:29PM 
2 
Having a problem with labels 
5:29PM 
0 
Error in t.test 
4:46PM 
1 
Unable to Install a package from source in Windows 
4:42PM 
0 
tt() function (was "Package dependencies in building R packages") 
3:14PM 
2 
recoding table dimensions interactively 
2:47PM 
1 
transmission of parameters to the glmmadmb function 
2:25PM 
2 
Replace value in a matrix according to a list with a list of value . 
12:21PM 
0 
Standardised Pearson residuals 
10:50AM 
0 
Call for papers: Geospatial Semantic Array Programming 
10:50AM 
0 
Call for papers: Geospatial Semantic Array Programming 
10:41AM 
1 
DanteR problems 
9:10AM 
0 
reinstall all packages  easy way? 
3:55AM 
1 
Numerical solution 
12:57AM 
1 
Installation folder 

Wednesday January 8 2014 
Time  Replies  Subject 
9:23PM 
1 
Best practices for loading large datasets into R 
6:23PM 
1 
Function inside Sweave 
4:27PM 
1 
How to include (source) R script in other scripts 
4:23PM 
1 
bug in rle? 
3:55PM 
0 
Converting list with different vector lengths into a dataframe (or export it as .csv) 
3:49PM 
1 
Linear relative rate / excess relative risk models 
12:24PM 
0 
How do I perform conditional annotation of lattice 
10:32AM 
0 
Strange behaviour of `dlm` package 
7:32AM 
0 
Raster in parallel computing? 
6:24AM 
3 
Different colours for LatticeExtra graphs 
3:36AM 
1 
How to detect a sequence of NA values? 
1:30AM 
1 
Dataset to single column matrix 

Tuesday January 7 2014 
Time  Replies  Subject 
11:11PM 
1 
Patterns on postal codes 
11:06PM 
0 
Dataset to single column matrix 
10:46PM 
1 
Implementing A Formula 
9:15PM 
2 
about R 
8:21PM 
2 
A calculation in data.frame 
5:44PM 
1 
How to "apply" correctly. 
4:42PM 
0 
Question regarding the package rugarch 
3:35PM 
1 
with() and within() functions inside lapply() not seeing outside of its environment? 
2:40PM 
1 
NAs introduced by coercion warning, while plotting data 
2:06PM 
1 
How do I perform conditional annotation of lattice panel plots? 
7:55AM 
1 
how to plot the spectrum by loglog axis 
3:19AM 
1 
Levelplots with noncontinuous xaxis breaks 
12:36AM 
2 
Removing unused parameter in qqplot 

Monday January 6 2014 
Time  Replies  Subject 
10:36PM 
2 
Packaging: Doubt in relation with "R CMD Rd2pdf packagename" 
5:38PM 
0 
Encoding issue 
5:06PM 
1 
Is this a bug or am I making a mistake? 
4:40PM 
0 
OT: regex golf 
4:32PM 
0 
R ggplot vertical and horizontal line intercept at center 
2:44PM 
4 
2 bugs in R's grDevices, and fixes. 
1:53PM 
1 
Signif. codes 
11:57AM 
3 
replace "" to NA. 
11:41AM 
2 
Reversing the Equation to find value of variable 
11:36AM 
1 
R compatible with Office 2013 
10:11AM 
1 
fancyRpartPlot and the title at the bottom of the plot.... 

Sunday January 5 2014 
Time  Replies  Subject 
8:59PM 
0 
delicate problem with permutation test and raster images 
8:47PM 
2 
For Loop Help 
4:12PM 
2 
Error in dispersionPlot using cummeRbund 
3:35PM 
0 
How to get the row index numbers in a matrix 
2:56PM 
3 
help 
8:45AM 
2 
Extract part of string 
4:37AM 
1 
change the reference level in plot(summary(cphfit)) 
1:42AM 
1 
very basic series correlation question 

Saturday January 4 2014 
Time  Replies  Subject 
1:06PM 
1 
zeroinflated negative binomial model with random effects 
8:35AM 
1 
RSQLite: Tracking an error message to its source 
6:11AM 
0 
caret version 6.021 
6:11AM 
0 
[Rpkgs] caret version 6.021 
5:39AM 
2 
p value of trends for odds ratios (or hazard ratios) 
12:47AM 
0 
Unstack a dataframe using RCommander 
12:41AM 
0 
Parse character strings so they "align" (line up/match) properly 

Friday January 3 2014 
Time  Replies  Subject 
11:48PM 
1 
Permutation test with raster data 
8:09PM 
1 
robust definition of \code{} for a knitrproduced document 
5:57PM 
0 
The R Journal, Volume 5, Issue 2 
5:57PM 
0 
The R Journal, Volume 5, Issue 2 
4:21PM 
0 
multitaper power analysis 
4:08PM 
1 
APA twoway barchart 
3:52PM 
0 
(no subject) 
2:45PM 
1 
Package LaplacesDemon information 
2:41PM 
3 
Ordering the rows of a data frame 
1:29PM 
0 
Linear transformation of multivariate normal 
9:04AM 
1 
Select rows of a data frame according to values of vector in a list 
12:04AM 
1 
Subsetting vector with preserved order 

Thursday January 2 2014 
Time  Replies  Subject 
11:05PM 
1 
Tracking what R actually executes 
10:36PM 
1 
Help with {tables} package 
7:33PM 
1 
looping function through list 
7:11PM 
0 
For loop for frequency counting 
7:03PM 
1 
A question in rms package 
3:52PM 
1 
compare two rows in same column in data farme 
2:59PM 
1 
Any Rpackage geared towards Endorsement Frequencies? 
1:12PM 
1 
Discretecontinuous equation system in R 
12:47PM 
1 
How to remove rows in a matrix having 0 as value in columns per condition 
11:32AM 
2 
Create a unique group id 
7:07AM 
2 
R crashes with memory errors on a 256GB machine (and system shoes only 60GB usage) 
6:17AM 
3 
How to verify char variables contain at least one value 
3:55AM 
3 
Data parsing question: adding characters within a string of characters 

Wednesday January 1 2014 
Time  Replies  Subject 
10:12PM 
4 
Question: reproducibility of random sampling with replacement 
9:35PM 
0 
looping through columns in a matrix or data frame 
3:24PM 
2 
expression in xlab for a plot 
10:41AM 
0 
mgcv  markeov random field option 