Tuesday January 31 2012 
Time  Replies  Subject 
10:34PM 
4 
how to unzip files in R 
9:18PM 
2 
DSC 2003 on www.ci.tuwien.ac.at 
9:13PM 
2 
question on simple graph 
8:29PM 
0 
Using 2SLS to mimic SEM with nested data 
7:58PM 
2 
Selecting contiguous, irregularlyshaped sets of values from arrays 
6:51PM 
2 
question of merging two dataframes 
4:12PM 
1 
Replacing lists with NA 
4:04PM 
2 
dimensions dropped on assignment 
3:26PM 
1 
Using match.arg() with list of functions? 
3:03PM 
12 
Generate data  function 
2:11PM 
6 
problem in fitting model in NLS function 
1:36PM 
0 
FW: R project 
12:48PM 
0 
Error in linearHypothesis.mlm: The error SSP matrix is apparently of deficient rank 
12:42PM 
1 
Help required in using apply instead of for loop 
12:34PM 
2 
testing for temperature differences between years and sites? 
11:21AM 
3 
function: as.integer 
7:25AM 
1 
Please Help! 
6:21AM 
1 
error in R CMD build when editing c function in R package 
4:37AM 
1 
about colnames 
4:03AM 
1 
R help, labeling the tick marks as I want 
1:07AM 
1 
Currency symbols in Xtick or Ytick labels 

Monday January 30 2012 
Time  Replies  Subject 
10:56PM 
3 
Venn Diagram help!!!! 
10:51PM 
5 
Need to Write a Code that can find the molecular weight of various compounds 
10:04PM 
3 
mgcv bam() with grouped binomial data 
9:25PM 
7 
Different type of legend? 
9:08PM 
1 
Change line colors based on data values in Lattice 
7:26PM 
1 
User Interface Equivalent Code 
7:08PM 
0 
rpart usersplits 
7:05PM 
2 
timeseries highlighting 
6:28PM 
2 
plot with ylim with regural interval 
6:26PM 
5 
replacing characters in matrix. substitute, delayedAssign, huh? 
6:07PM 
1 
Linear Mixed Model setup 
5:16PM 
1 
how to sum multiple data entries for the same sampling event? 
4:57PM 
1 
discrete simulated annealing 
4:01PM 
2 
ode() tries to allocate an absurd amount of memory 
3:47PM 
1 
Reg : Hello all.. help needed regarding heatmaps 
3:37PM 
6 
Euler identity with complex exp 
3:12PM 
0 
Displaying percentages within bars 
2:52PM 
4 
And Statement for two if functions 
1:55PM 
0 
useR! 2012: Earlybird Registration for International R Users Conference, Nashville TN 1215 2012 
1:45PM 
1 
Problem in Fitting model equation in "nls" function 
1:35PM 
1 
Getting htmlParse to work with Hebrew? (on windows) 
1:14PM 
6 
Variable selection based on both training and testing data 
12:24PM 
1 
Installing Rcompression package 
12:09PM 
1 
about changing line type and line width in Taylor Diagram 
12:08PM 
0 
rhelp; parameter estimate 
12:07PM 
0 
parameter estimate 
11:13AM 
0 
ANOVA factors 
11:05AM 
0 
Consultant to program Rcode dealing with social networks 
10:55AM 
1 
RCurl format 
9:52AM 
3 
ROC curve 
8:54AM 
3 
handling a lot of data 
7:34AM 
0 
PLEASE HELP creating a matrix 
7:30AM 
3 
how to select columns 
7:20AM 
0 
need some help with model.matrix 
5:33AM 
1 
Data generation 
2:50AM 
1 
about "undefined columns selected" 

Sunday January 29 2012 
Time  Replies  Subject 
10:05PM 
2 
apply lm() to each row of a matrix 
9:07PM 
1 
Modifying whiskers in boxplots? 
8:50PM 
0 
how to calculate length of each triangulated face in deldir 
8:24PM 
1 
height of plots 
8:19PM 
0 
Using influence plots and obtaining id numbers 
8:16PM 
0 
FW: repeated measures MANOVA with interaction 
7:27PM 
1 
How I assign the result of a plot to a variable? 
5:31PM 
2 
question about ... questions/ code 
5:21PM 
2 
ColorBrewer question 
5:18PM 
3 
How do I turn NA's to zeroes when a combination lacks one element? 
4:21PM 
2 
Drawing sample 
3:56PM 
6 
Data Structure to Code 
12:38PM 
1 
rhelp; weibull distribution 
11:17AM 
1 
rhelp; weibull parameter estimate 
9:37AM 
1 
Help joincount.test 
2:44AM 
0 
Please help, a question about the R function arima, thanks a lot! 

Saturday January 28 2012 
Time  Replies  Subject 
11:00PM 
3 
Compiling R code to native code? 
10:06PM 
2 
wireframe_box_axis 
8:43PM 
1 
question on model.matrix 
8:36PM 
4 
logical subsetting, indexes and NAs 
8:12PM 
0 
Graph Titles 
6:51PM 
0 
New package "geotools" 
6:25PM 
2 
For Loop Error 
6:08PM 
1 
Using the digest and t distribution. 
9:45AM 
1 
fatal error unable to restore data 
6:29AM 
3 
gplot heatmap 
5:01AM 
2 
Sensitivity analysis  looking a tool for epidemiologic research 
3:32AM 
0 
Rhelp mailing list submissions 
1:39AM 
4 
finding rows in a matrix that match a vector 
12:35AM 
2 
automated library location 
12:15AM 
10 
Need very fast application of 'diff'  ideas? 

Friday January 27 2012 
Time  Replies  Subject 
10:44PM 
4 
percentage from density() 
8:45PM 
2 
date arithmetic discrepancy 
8:19PM 
5 
repeat function for entire list of matrices 
8:00PM 
1 
how to install the fbasics and use stablefit function? 
7:26PM 
3 
Subsetting for the ten highest values by group in a dataframe 
7:25PM 
0 
Help to improve bwplot plot (lattice) 
7:20PM 
1 
Generating repeated network measures in R 
7:03PM 
2 
How to write the entire session to file? 
6:51PM 
4 
package does not have a NAMESPACE 
6:44PM 
2 
PosixCT subsecond accuracy 
5:49PM 
1 
Overimposing one map in ssplot onto another 
4:19PM 
0 
Looping columns/column names 
4:10PM 
1 
Help boxplot to add mean, standard error and/or stadard deviation 
3:57PM 
1 
Looping column names 
3:45PM 
5 
convert sas date format 
2:55PM 
3 
Grabbing Column and Row titles 
2:51PM 
0 
Error in JAGS, cannot monitor z 
2:50PM 
2 
tm package: handling contractions 
2:47PM 
2 
help with Box plot 
2:36PM 
2 
Horizontal stacked 100% bars with ggplot2 
1:17PM 
0 
sorting data according to different boundaries 
1:04PM 
6 
Why does the order of terms in a formula translate into different models/ model matrices? 
12:40PM 
3 
calculating distance between latitude and longitude 
12:05PM 
0 
data format for ordination 
11:42AM 
0 
Your message to mingw awaits moderator approval 
11:04AM 
2 
pls. help Logisitic RegressionUrgent 
11:03AM 
2 
Confused with Student's sleep data description 
10:49AM 
3 
generate a random number with rexp ? 
10:04AM 
1 
laod multichannelaudiofiles with readWave (tuneR) 
10:00AM 
1 
Bivariate Partial Dependence Plots in Random Forests 
9:14AM 
1 
Call dynamic functions 
8:03AM 
2 
Placing a Shaded Box on a Plot 
5:00AM 
1 
multiple column comparison 
4:59AM 
10 
Is there a R command for testing the difference of two liear regressions? 
12:17AM 
1 
Conditional cumulative sum 

Thursday January 26 2012 
Time  Replies  Subject 
8:16PM 
3 
Quality of fit statistics for NLS? 
7:24PM 
6 
Calculate a function repeatedly over sections of a ts object 
6:27PM 
2 
What does [[1]] mean? 
5:46PM 
2 
3parametric Weibull regression 
5:29PM 
10 
merge multiple data frames 
4:33PM 
1 
lattice panels with grouped extra data as text? 
4:32PM 
2 
(no subject) 
4:12PM 
3 
adding additional information to histogram 
3:17PM 
1 
Error in ifelse(append, "a", "w") : , (list) object cannot be coerced to type 'logical' 
2:49PM 
5 
Inserting a character into a character string XXXX 
2:34PM 
0 
Rhelp Digest, Vol 107, Issue 25 
2:23PM 
0 
Request for help on manipulation large data sets 
2:19PM 
0 
Conditional Random Fields 
1:51PM 
1 
eRm  Rasch modeling  First item missing from estimation 
1:27PM 
1 
eRm package  Rasch simulation 
12:43PM 
5 
null distribution of binom.test p values 
12:27PM 
1 
Finding suspicious data points? 
11:47AM 
2 
extracting from data.frames for survival analysis 
9:05AM 
0 
Workshop on Bayesian methods and WinBUGS. One week to go! 
8:46AM 
1 
How to remove rows representing concurrent sessions from data.frame? 
8:23AM 
2 
How do I use the cut function to assign specific cut points? 
6:08AM 
2 
R extracting regression coefficients from multiple regressions using lapply command 
2:20AM 
0 
CollocInfer 

Wednesday January 25 2012 
Time  Replies  Subject 
10:24PM 
2 
having a bit of regression trouble 
9:36PM 
3 
Gray levels 
9:25PM 
4 
Coloring Canada provinces (package maps?) 
9:20PM 
4 
Why was the ‘doSMP’ package removed from CRAN? 
8:46PM 
1 
R.lnk shortcut: Warning message when opening Microsoft Word 2003 
7:23PM 
1 
Extracting data from trellis object 
7:18PM 
0 
Looking for Huffamn Binary Coding Example in R 
6:09PM 
8 
aplpy recursive function on a list 
5:30PM 
0 
Local regression 
5:16PM 
2 
Issues with PearsonIV distribution 
3:52PM 
0 
Cumulative R2 and Q2 from plsr? 
3:38PM 
3 
Error in predict.randomForest ... subscript out of bounds with NULL name in X 
3:26PM 
4 
help to slip a file name using "strsplit" function 
3:11PM 
1 
function restrictedparts 
3:08PM 
0 
ca package  more than two colours 
1:40PM 
1 
Code for a plot of a DNA double helix? 
1:03PM 
0 
Seasonality and order in Arima 
11:45AM 
9 
x11() graphic device, displaying raster 
11:35AM 
3 
cat, and printing the last separator 
11:28AM 
1 
grep TRUE/FALSE 
10:19AM 
1 
solving nls 
7:02AM 
6 
formula error inside function 
4:41AM 
16 
How do I compare 47 GLM models with 1 to 5 interactions and unique combinations? 
4:37AM 
0 
adehabitatLT  movement based kernel density 
4:29AM 
0 
Wavelet matrix 
12:59AM 
0 
Matrix and boucle. 
12:43AM 
0 
which function/method to find agreement between two 
12:27AM 
1 
loops 
12:08AM 
1 
Converting strings into data frame column names 

Tuesday January 24 2012 
Time  Replies  Subject 
11:11PM 
0 
spaghetti plot  categorical variable differentiated by color 
10:47PM 
4 
List to Array: How to establish the dimension of the array 
10:32PM 
0 
Self organising map  label the best matching unit 
10:18PM 
2 
Sampling with Constraints for testing and training data 
10:09PM 
4 
detecting noise in data? 
9:47PM 
0 
Problem training a neural network with "neuralnet" library 
8:51PM 
0 
lattice_wireframe_axis 
8:45PM 
6 
read.table: how to ignore errors? 
8:28PM 
1 
Plotting coxph survival curves 
8:22PM 
4 
Null models of species cooccurrence 
8:08PM 
6 
Error from Brugs "'r for windows gui frontend has stopped working'' 
7:46PM 
7 
Virus Infection in colorspace_1.11.zip (R x64 2.14.1) 
6:15PM 
7 
Interactive map graphics. 
5:19PM 
11 
function for grouping 
5:17PM 
10 
Question 
4:54PM 
12 
Checking for invalid dates: Code works but needs improvement 
4:15PM 
3 
reshape dataframe to array (pivot table) 
4:14PM 
5 
drop columns whose rows are all 0 
3:26PM 
0 
lattice wireframe_box around picture 
3:15PM 
1 
Looping and actual variable names 
2:52PM 
4 
Select elements from text 
2:46PM 
0 
empirical copula, copula package gof Test 
2:06PM 
0 
interval estimates of bivariate means 
2:01PM 
2 
data extraction in R 
1:49PM 
6 
Writing a function to return column position XXXX 
1:12PM 
3 
Adding text to multiple plots 
11:49AM 
4 
Calling function in DLL using .C 
11:40AM 
2 
debug package: mtrace fails 
11:30AM 
4 
gsub semicolon with double quotation mark 
11:17AM 
0 
how to remove library source from sweave 
9:55AM 
0 
lattice_wireframe_shade 
9:54AM 
3 
Splitting up large set of survey data into categories 
9:34AM 
8 
Column name containing "" 
8:53AM 
1 
3 variables  GLM  Warning Message ? 
8:32AM 
3 
warning massage longer object length is not a multiple of shorter object length 
5:20AM 
1 
problems with rollapply {zoo} 
5:19AM 
3 
sampling weights in package lme4 
4:43AM 
0 
PCA for assets based household income analysis (" hetcor" and "princomp") 
4:34AM 
0 
Clustering and visualising a wordcloud 
3:18AM 
3 
Help: read a proportion of high throughput data 
1:47AM 
0 
Partial R2 values calculated using different packages 
1:30AM 
1 
Cannot evaluate subset expression for sigmainverse 
12:37AM 
2 
Plotting Confidence Intervals with a proiri calculated Intervals 
12:27AM 
2 
how do I do the autocovariance of a moving average? 

Monday January 23 2012 
Time  Replies  Subject 
10:52PM 
5 
MovingTiles Bootstrap 
8:17PM 
2 
R not giving significance tests for coefficients/estimates? 
7:39PM 
1 
Jags problem 
7:23PM 
4 
What package is used for the following graph? 
7:05PM 
1 
Rmpi loading error 
5:41PM 
7 
Return the matrix location of multiple entries 
5:32PM 
3 
How can I access information stored after I run a command in R? 
5:10PM 
1 
HoltWinters problem 
4:55PM 
0 
problems with dlmBSample of the dlm package 
4:44PM 
1 
help upgrading R in Ubuntu 
3:32PM 
2 
model nonnested random effects in nlme library 
3:13PM 
2 
Recompile 
2:12PM 
4 
problems with FEAR 
1:50PM 
2 
convert command not found in movie3d (rgl package) in Mac OS X 
1:11PM 
4 
Error is coming as NULL 
11:31AM 
2 
Extracting part of anova.cca() 
8:35AM 
3 
conversion of string 
5:07AM 
1 
Extracting data from SQL Server based on R parameters 
3:59AM 
2 
sqldf + Date class. Ordering and summary statistics appear to be incorrect. 
3:39AM 
1 
Double expressions in plot labels 
3:29AM 
2 
Logrithmic histogram? 
2:45AM 
3 
How to build a "Amalgamation Schedule"? help! 

Sunday January 22 2012 
Time  Replies  Subject 
8:31PM 
4 
Calculating & plotting a linear regression between two correlated variables 
8:23PM 
1 
passing "..." arguments to (plot.ca) 
6:25PM 
15 
Solving Equations 
5:15PM 
2 
R package submission 
2:27PM 
2 
How to construct a formula 
2:06PM 
1 
Calling update on an lmobject inside a function 
11:01AM 
3 
R interactive = FALSE 
10:43AM 
0 
visualize lme results 
2:56AM 
2 
if/else statement without curly brackets gives a problem 
2:54AM 
2 
how to load R data file into a structure? 
12:37AM 
0 
Problem with sapa package and spectral density function (SDF) 
12:24AM 
7 
how to save the R script itself into a rData file? 

Saturday January 21 2012 
Time  Replies  Subject 
11:59PM 
2 
sequentially summing up a elements of a vector 
10:39PM 
4 
semitransparency not supported in devel R? "alpha" cannot be specified in qplot() 
9:40PM 
1 
Function for multiple t tests 
8:18PM 
5 
Create subset using variable 
7:46PM 
3 
replacing "+" in string 
7:44PM 
1 
Enumerate the class of objects 
6:12PM 
3 
How to identify data structure? 
6:04PM 
1 
contour(): Thickness contour labels 
6:02PM 
3 
Function movie3d in rgl library resulting in black/blank output 
5:50PM 
0 
Fwd: How to access the panel rows/columns in pairs()? 
4:57PM 
0 
How to access the panel rows/columns in pairs()? 
1:47PM 
6 
Legend that is big? 
1:07PM 
1 
Rotated Labels for grouped bars 
12:32PM 
1 
Normalization in R 
12:10PM 
1 
error in data.frame(...., check.names = FALSE) 
9:12AM 
1 
recomile a dll file in R 
5:39AM 
2 
4th corner analysis ade4  what do the colors mean 
3:49AM 
0 
Announce: Summer Program in Data Analysis (SPIDA) 2012 

Friday January 20 2012 
Time  Replies  Subject 
11:26PM 
2 
Get default values of a function argument 
8:39PM 
2 
rbind() 
7:34PM 
1 
Building R on RHEL 5 
6:52PM 
14 
extract fixed width fields from a string 
5:14PM 
0 
Read & Analyze Google spreadsheets 
5:12PM 
6 
Date seq question 
5:08PM 
0 
arc length of noisy time series? 
5:04PM 
6 
ztransform each column of a data.frame 
4:27PM 
2 
Estimation of the mode 
4:12PM 
0 
fit Johnson Sb with fitdist(method="mme") 
3:58PM 
1 
free memory in large list? 
3:46PM 
3 
break an axis.POSIXct 
3:38PM 
3 
abline by groups 
3:05PM 
2 
Calling Windows DLL using .C; function name not known but in exports. 
2:59PM 
4 
Incorrect DateTime using ISOdatetime in R 
2:54PM 
2 
Stacked barchart in ggplot (or other library) 
2:08PM 
3 
a question about taylor.diagram in plotrix package 
1:15PM 
2 
Point biserial correlation => Is there any specific command or could I just use cor.test? 
12:28PM 
6 
Contour plot on a triangular mesh 
12:10PM 
0 
VarCov matrix  quantile regression. 
11:50AM 
4 
test if text is part of vector 
10:33AM 
4 
show plot 
9:48AM 
1 
Legend appearance 
9:26AM 
0 
Symlet package in R Cran 
8:01AM 
1 
rsp 
6:56AM 
0 
Displaying GLM model fitting  best method 
6:49AM 
0 
GLM  fixed responses? 
6:19AM 
3 
error 
3:16AM 
0 
DEMEtics expected run time for calculating DEST CI 

Thursday January 19 2012 
Time  Replies  Subject 
11:42PM 
5 
dataframe: how to select an element from a row 
11:42PM 
2 
Apply Function to List by Group Returning Result with Dim of List 
11:05PM 
5 
Establishing groups using something other than ifelse() 
10:28PM 
3 
question re. package playwith not able to run command getting error message that I'm attempting to use non function 
9:21PM 
1 
snow  bootstrapped correlation ranking 
9:04PM 
8 
Bayesian data analysis recommendations 
8:57PM 
3 
POSIXct value display incorrect for some values 
7:45PM 
8 
What is a 'closure'? 
7:19PM 
2 
read in Stata and SPSS with value labels/formats 
6:28PM 
0 
state multistate modeling using hidden markov routine in the msm package 
5:42PM 
0 
RODBC problem inserting into tables 
5:38PM 
3 
fitting an exp model 
4:51PM 
1 
R connect to Informix Database 
4:43PM 
0 
Global sensitivity indices using sensitivity package: sobol, sobol2002 
4:37PM 
7 
Reading in tab (and space) delimited data within a script XXXX 
4:19PM 
3 
cannot dyn.load dll from path 
3:09PM 
3 
Alaska and Hawaii map data? 
2:22PM 
2 
Help with .csv file reading ! 
1:25PM 
3 
r help: sourcefunction is very slow 
1:02PM 
4 
What does the : operator mean in glm formulas 
1:00PM 
1 
Legend problem in line charts 
12:54PM 
0 
nls issue 
10:56AM 
2 
cacheSweave questions (usage and forward compatibility) 
10:24AM 
5 
Split values in vector 
10:23AM 
4 
converting a for loop into a foreach loop 
9:38AM 
2 
add1 GLM  Warning message, what does it mean? 
9:01AM 
0 
looking for an ecological dataset 
8:24AM 
3 
Sweave question  Setting Soutput code chunks to stay inside page margins? 
8:13AM 
1 
Bash script produces: Error in library('package') : there is no package called 'package' 
5:31AM 
3 
Not generating line chart 
3:48AM 
2 
Interpreting script  write.csv 
3:47AM 
1 
ctree question 
2:25AM 
5 
Filling color's points in legend's plot in R 
1:18AM 
5 
graph paper look 
12:19AM 
1 
venn.diagram how to control circle diameter 
12:06AM 
0 
png output on a server? 

Wednesday January 18 2012 
Time  Replies  Subject 
10:25PM 
7 
drop rare factors 
10:17PM 
0 
makeCluster() function in doSNOW package hangs 
9:41PM 
4 
Executable Expressions II 
9:39PM 
2 
Problem importing .txt file 
9:37PM 
1 
kmeans clustering on large but sparse matrix 
9:18PM 
7 
Executable expressions 
9:17PM 
2 
forecasting a time series 
8:49PM 
7 
RHelp 
8:12PM 
0 
New package knitr 
7:41PM 
3 
R Table 
7:29PM 
0 
Time series questions 
7:14PM 
2 
How do I exactly align the right hand side of "mtext" relative to a plot device? Beyond "adj". 
6:30PM 
7 
How to define a variable in a function that another function uses without using global variables 
4:41PM 
1 
restricted model estimation 
4:01PM 
0 
examine grouped data lmList 
3:52PM 
0 
XIII GRASS and GFOSS italian Meeting 
3:33PM 
1 
Loess smoothing  alpha Parameter 
3:27PM 
4 
confint function in MASS package for logistic regression analysis 
3:25PM 
2 
Table Intersection 
2:11PM 
3 
GUI 
1:25PM 
1 
Nonlinear Least Square Optimization  Function of two variables. 
1:14PM 
1 
Problems with Panel Data estimation 
10:48AM 
3 
manipulating data of several columns simultaneously 
10:27AM 
2 
computing scores from a factor analysis 
9:56AM 
0 
quantile type 1 perhaps? 
9:21AM 
3 
Reshape with multiple aggregation functions 
9:06AM 
1 
Reshape with multiple aggregate functions 
7:56AM 
2 
Error in variable ' _' converted to a factor AND *tmp* 
7:41AM 
1 
sresid with lme4 
4:29AM 
0 
How to choose variabe that needs to be smoothing in GAM 
4:16AM 
2 
Extracting rows with latest date from a data frame 
12:40AM 
8 
R package dev: how to export constant? 

Tuesday January 17 2012 
Time  Replies  Subject 
11:28PM 
1 
arules "killed" 
11:12PM 
2 
pscl package and hurdle model marginal effects 
9:17PM 
2 
error when extracting from a data frame 
9:03PM 
4 
Using !is.na() in a HAVING clause in sqldf() XXXX 
6:53PM 
0 
Change state names to abbreviations in an irregular, list of names, abbreviations, null values, and foreign provinces 
6:47PM 
3 
bayesian mixed logit 
6:32PM 
1 
pretty(range(data$z),10) Error 
5:59PM 
6 
Separate ablines in lattice panels 
5:58PM 
0 
RTisean generating multivariate surrogates; 
5:14PM 
2 
Which date format to choose? 
5:10PM 
6 
Using Aggregate() with FUN arguments, which require more than one input variables 
4:06PM 
3 
unable to find an inherited method for function "make.db.names", for signature "character", "missing" 
3:55PM 
3 
An "unsubsettable object" in a mixed model 
3:55PM 
4 
Prediciting sports team scores 
3:48PM 
3 
Reference for dataset colon (package survival) 
3:30PM 
11 
breakpoints and nonlinear regression 
2:06PM 
1 
BLAS 
1:54PM 
1 
Error predict with lda and cross validation 
1:11PM 
1 
Plotting probability density and cumulative distribution function 
12:36PM 
2 
formula in function as text? 
11:47AM 
7 
r help 
11:31AM 
4 
Mean of simulation runs given in a table 
10:37AM 
4 
Display numbers on map 
10:35AM 
2 
result numeric(0) when using variable1[which(variable2="max(variable2)"] 
10:24AM 
3 
Re: New PLYR issue 
9:51AM 
1 
MuMIn package, problem using model selection table from manually created list of models 
9:22AM 
1 
Scoring using cox model: probability of survival before time t 
8:48AM 
3 
visualization for kmean clustering 
3:54AM 
1 
Import a text file except its first row 
3:26AM 
2 
How to loop on file names 
2:21AM 
0 
Logistical or Linear Output in AMORE 
2:11AM 
1 
arguments in merge() not accepted 
1:10AM 
6 
net classification improvement? 

Monday January 16 2012 
Time  Replies  Subject 
11:29PM 
7 
Object not found using GAMs in MGCV Package 
10:13PM 
4 
Select rows based on multiple comparisons 
9:20PM 
5 
Using Sweave to generate multiple documents 
8:38PM 
26 
Add grid lines to levelplot 
7:45PM 
3 
R for Windows: Is there a function/package that enables Win32 API Calls? 
7:10PM 
0 
FDA predict problem 
7:01PM 
6 
ggplot using geom_point and geom_line at the same time 
5:46PM 
0 
Package: Waveslim Error: The object is this type is not subsettable 
5:20PM 
1 
start.help() and browser 
4:51PM 
1 
need SMOTE code 
4:24PM 
0 
smoothScatter on map 
4:11PM 
3 
Package "maps": what is the name of county # 2395? 
4:10PM 
0 
Cointegration critical value tables 
3:34PM 
6 
list: index of the element, that is TRUE 
3:09PM 
3 
Saving WinBugs log file when using bugs() 
2:22PM 
0 
Symlets in R 
2:17PM 
1 
GAM without intercept reports a huge deviance 
1:53PM 
2 
Relevel dynamically 
1:14PM 
1 
dbWriteTable(con, access_log, overwrite = F)..... 
11:27AM 
0 
physical books of 'The R Inferno' and 'S Poetry' 
11:07AM 
5 
boxplot with diamond shape 
10:53AM 
0 
igraph question 
9:50AM 
0 
choosing a proper knot in GAM mgcv package 
7:56AM 
0 
Problems with plm's pgmm: changing results 
7:35AM 
1 
problem in import and export 
7:04AM 
1 
Read and show Bitmap Images 
6:30AM 
1 
rho stat from a fasta sequence file 
3:28AM 
2 
A recent Post 
2:08AM 
4 
ggplot2 stacked bar  sum of values rather than count 
1:55AM 
0 
Fwd: Trouble installing packages on R2.14.1 
12:51AM 
8 
howto test a package without installation 

Sunday January 15 2012 
Time  Replies  Subject 
11:51PM 
1 
Need help interpreting the logit regression function 
11:14PM 
0 
Rhelp Digest, Vol 107, Issue 14 
11:04PM 
2 
Trouble installing packages on R2.14.1 
10:59PM 
2 
problem with table.CAPM in PerformanceAnalytics 
10:34PM 
7 
Calling Fortran from R: Issues with dynamic loading of fortran dll 
9:43PM 
3 
ggExtra package installation fails 
7:54PM 
0 
Re: Regression for Rank Order Dependent Variable 
4:40PM 
3 
Word Wrap 
3:32PM 
0 
Reading MINE output into a matrix 
3:09PM 
1 
problem in R related to import n export 
3:08PM 
0 
A question about cointegration  How can we find the standard deviation in the cointegration relationship ? 
8:28AM 
2 
determining the difference between 2 character strings 
8:26AM 
2 
Correct Localized Numbers on Plots, related to glibc! 
1:57AM 
1 
GUI preferences are not saved 

Saturday January 14 2012 
Time  Replies  Subject 
10:58PM 
2 
How can I doing Quality adjusted survival analysis in R? 
10:54PM 
2 
Estimate the average abundance using Poisson regression with a log link. 
8:51PM 
3 
add column with values found in another data frame 
7:19PM 
1 
metafor: weights computation in MantelHaenszel method 
10:47AM 
1 
Determining if an object name does not exist 
9:35AM 
3 
Date/time 
6:48AM 
0 
(no subject) 
3:21AM 
1 
Converting .Rout file to pdf via Sweave automatically 
12:57AM 
6 
Error: unexpected '<' in "<" when modifying existing functions 
12:30AM 
0 
point.in.polygon help 

Friday January 13 2012 
Time  Replies  Subject 
11:15PM 
1 
Quality adjusted survival analysis 
10:42PM 
0 
influence measures for multivariate regression 
10:34PM 
2 
question: how to select a column from a dataframe in a function 
10:14PM 
3 
read.zoo problems 
9:55PM 
2 
More issues with apply 
9:51PM 
2 
Change state names to abbreviations in an irregular list of names, abbreviations, null values, and foreign provinces 
9:14PM 
24 
The Future of R  API to Public Databases 
8:25PM 
1 
deviance and variance  GAM models 
7:49PM 
0 
Help with t student test 
6:42PM 
2 
Merging data XXXX 
6:29PM 
0 
outputs from command "by" 
6:28PM 
3 
multidimensional array calculation 
5:33PM 
3 
fUtilities removed 
5:23PM 
0 
New package ‘bcrm’ to implement Bayesian continuous reassessment method designs 
5:00PM 
3 
tm package, custom reader 
4:52PM 
16 
Coloring counties on a full US map based on a certain criterion 
4:48PM 
2 
Nabble? Was Re: function to replace values doesn't work on vectors 
4:43PM 
5 
Problem Installing R to SuSE 10 via RPM 
4:30PM 
2 
plotting regression line in with lattice 
4:12PM 
2 
Brillouin index 
4:06PM 
1 
Portfolio Optimization 
3:45PM 
4 
access/row access/col access 
3:45PM 
4 
Quantiles in boxplot? 
2:49PM 
13 
Troubles with stemming (tm + Snowball packages) under MacOS 
2:31PM 
1 
IF ELSE 
2:11PM 
2 
function to replace values doesn't work on vectors 
12:24PM 
3 
Remove space from string 
12:09PM 
4 
Problems with plotCI 
12:02PM 
2 
read.table as integer 
11:34AM 
10 
Averaging within a range of values 
10:55AM 
1 
apply transformation 
10:53AM 
1 
how to find the number of iterations kmeans used to converge? 
10:36AM 
1 
GLHT in multcomp: Two similar models, one doesn't work 
10:04AM 
0 
second order cone programmming, linear inequalities constraints 
9:04AM 
2 
beanplotError: sample is too sparse to find TD 
8:49AM 
0 
how to create stratified (crossvalidation) partitions according to numerical features 
8:44AM 
0 
rho statistics for dinucleotide abundance from a sequence file 
8:39AM 
3 
Help needed in interpreting linear models 
8:34AM 
0 
Latent class model with Polytomous Variable and Bootstrap 
8:05AM 
1 
analytical solution of partial differential equation 
6:16AM 
2 
Averaging over data sets 
4:01AM 
0 
Does wordcloud do clustering 
3:01AM 
1 
loops over regression models 
2:36AM 
5 
subset 

Thursday January 12 2012 
Time  Replies  Subject 
11:27PM 
2 
GGplot controlling point size across range 
10:42PM 
1 
how to select column wich median is in this interval [5;6] 
10:25PM 
8 
work with a subset of the dataset 
9:27PM 
4 
remoting ESS/R with tramp 
8:10PM 
1 
Keep rows where a variable matches one item of a vector 
5:14PM 
1 
parLapply within a function 
5:05PM 
4 
how do I find previous version of a package? 
5:02PM 
3 
relative frequency plot using ggplot or other function 
4:55PM 
5 
using "list=" to force evaluation before execution 
4:46PM 
1 
How can I prevent solve.QP from printing the solution progress ? 
4:30PM 
3 
parallel computation in plyr 1.7 
3:45PM 
1 
Add color to Boxplot by value 
3:43PM 
0 
help request 
3:36PM 
4 
is there an equivalent for #ifdef (C langage) in R 
3:18PM 
0 
compare means 
3:15PM 
3 
strsplit() does not split on "."? 
2:38PM 
6 
how do I make a movie out of a timeseries of 2D data? 
2:16PM 
0 
R codes for Intervention Time Series Analysis 
1:58PM 
2 
Function accepted by optim but not mle2 (?) 
11:23AM 
0 
data manipulation 
11:18AM 
2 
defmacro installation issue 
11:01AM 
1 
posting for rhelp 
9:21AM 
0 
glht (multicomparisons) with an interaction factor 
8:16AM 
1 
problems with method ken.sto in package soil.spec: subscript out of bounds 
6:35AM 
6 
kruskal wallis post hoc? 
4:28AM 
2 
Points inside a polygon 
4:18AM 
1 
summing NAs in aggregate 
12:36AM 
2 
cannot get tweets from twitteR 
12:20AM 
0 
multcomp twoway anova with interactions within and between 

Wednesday January 11 2012 
Time  Replies  Subject 
10:42PM 
0 
Error in charToDate(x) 
10:20PM 
0 
Rook: software and specification for R web applications and servers 
10:07PM 
3 
Checking dates for entry errors 
9:51PM 
1 
rjava on FreeBSD 
8:55PM 
4 
summarizing a complex dataframe 
8:41PM 
1 
R error in make check 
8:17PM 
7 
2D filter in R? 
7:56PM 
6 
Storing/Restoring R objects 
7:48PM 
0 
Getting a "root edge" error when trying to read the phylocom megatree into R 
7:40PM 
3 
turning a list of vectors into a data.frame (as rows of the DF)? 
5:26PM 
0 
rgl/ x11 problem 
4:40PM 
0 
test for condition during whole r session or after each command 
4:12PM 
7 
Generating unque patient IDs 
3:53PM 
5 
metaanalysis normal quantile plot metafor 
3:13PM 
11 
general question on Spotfire 
2:57PM 
5 
Help with speed (replacing the loop?) 
2:36PM 
3 
New to R, Curious about Project Idea 
1:45PM 
0 
Problem concerning withRestarts and R2WinBUGS 
1:12PM 
3 
get the percentage rank of a value based on an empirical data vector 
1:08PM 
0 
spplot : help with legend 
12:38PM 
2 
Constructing a data.frame from csv files 
10:47AM 
0 
Assist me on how I can arrange trend data of rainfall and temperature for analysis 
10:22AM 
3 
Accomplishing a loop on multiple columns 
10:01AM 
2 
Max value of an integer 
9:56AM 
1 
Confidence Interval from Moments? 
9:53AM 
1 
Plot maps with R 
9:42AM 
2 
problems with glht for ancova 
9:08AM 
0 
Reg : Capture.output not supporting UTF8 data 
8:41AM 
1 
R problem: unable to read data in the xlsformat in the PerformAnalytics package 
5:27AM 
0 
Revolutions Blog: December Roundup 
4:52AM 
3 
Finding percentile of a value from an empirical distribution 
1:56AM 
0 
try() with silent=TRUE not preventing printing of error message 
1:22AM 
3 
64bit R under 32bit winxp 
12:55AM 
3 
Vegan(ordistep) error: Error in if (aod[1, 5] <= Pin) { : missing value where TRUE/FALSE needed 
12:18AM 
0 
Problems with constrOptim 

Tuesday January 10 2012 
Time  Replies  Subject 
11:04PM 
3 
shorthand to avoid use of length() in subsetting vectors? 
10:40PM 
1 
Rpad.org down? Searching latest RReference card 
10:02PM 
8 
How to make this for() loop memory efficient? 
8:30PM 
2 
different results from fligner.test 
8:06PM 
1 
Correlograms 
7:59PM 
4 
plotOHLC(alpha3): Error in plotOHLC(alpha3) : x is not a open/high/low/close time series 
7:47PM 
1 
Can "prototype" and "initialize" coexist? 
7:40PM 
1 
grplasso 
7:30PM 
6 
Restricting R session 
6:36PM 
1 
Converting BY to a data.frame 
6:36PM 
0 
rpart vs. tree and deviance calculations 
6:28PM 
7 
2 sample wilcox.test != kruskal.test 
6:02PM 
1 
Adding InstitutionAffiliation to Description File of R Package 
6:00PM 
0 
Online 'Beginner's Guide to R' course (with video) 
4:31PM 
1 
question about R 2.15.0 
4:25PM 
5 
Sum of a couple of variables of which a few have NA values 
4:17PM 
3 
Problem with segmented 
4:16PM 
0 
haplo.stats version 1.5.2 
3:49PM 
0 
Error message in vegan ordistep 
3:40PM 
2 
rjags installation trouble 
3:11PM 
8 
colored outliers 
1:35PM 
6 
problem installing packages 
1:04PM 
3 
strange Sys.Date() side effect 
12:30PM 
0 
rworldmap: xlim, ylim do not change plotting region 
12:12PM 
0 
"tau + h > 1: error in summary.rq" 
10:04AM 
1 
Propensity score matching in R using Classification tree method 
4:44AM 
1 
Lapack routine dgesv: system is exactly singular 
4:08AM 
1 
error in Recursive 
3:43AM 
3 
Extracting Data from SQL Server 
3:21AM 
1 
Lag() and lag() 
1:23AM 
2 
Aggregate by minimum 
1:01AM 
2 
stacked barplot colour coding 

Monday January 9 2012 
Time  Replies  Subject 
11:39PM 
2 
Calculating rolling mean by group 
10:40PM 
7 
CairoPDF and greek letter spacing 
9:18PM 
0 
power in generalized linear models with categorical independent variables 
7:57PM 
2 
glmmPQL and predict 
6:02PM 
6 
RODBC vs gdata 
5:47PM 
0 
what to do with underdispersed count data 
5:25PM 
2 
Different lm() Residuals Output 
4:51PM 
2 
par.plot() for repeated measurements 
4:28PM 
1 
plot, xlim to cut data set 
3:17PM 
0 
glmD error 
3:12PM 
6 
RGL Drawing Circle 
3:06PM 
12 
runif with condition 
2:28PM 
3 
How can I stack two matrices? 
2:11PM 
3 
as.numeric() generates NAs inside an apply call, but fine outside of it 
1:45PM 
3 
Joint confidence interval for fractional polynomial terms 
1:22PM 
1 
Open Street map problem 
1:01PM 
1 
Autocorrelation values? How to extract? 
12:55PM 
1 
modeling a haemodynamic response function in R 
12:12PM 
1 
What is the function for "smoothing splines with the smoothing parameter selected by generalized maximum likelihood? 
9:48AM 
2 
Unexpected results using the oneway_test in the coin package 
2:56AM 
3 
Where to download the splines package. 
12:38AM 
1 
?any 

Sunday January 8 2012 
Time  Replies  Subject 
11:53PM 
1 
Difference across the Nth dimension of an array 
9:51PM 
2 
R package equivalent to Excel SOLVER  Paquete R equivalente a SOLVER de Excel 
9:48PM 
5 
Conditional Loop For Data Frame Columns 
9:48PM 
2 
rpart question 
9:32PM 
1 
fix and edit don't work: unable to open X Input Method>segfault 
8:12PM 
1 
creating vectors from dataframes 
7:45PM 
3 
Simulate AR(1) starting from X number? 
7:13PM 
2 
need help with axis ticks 
6:57PM 
6 
Summing rows by years (each time separately) 
5:03PM 
2 
choosing items from array: very stupid and simple question 
2:43PM 
3 
Convert components of a list to separate columns in a data frame or matrix XXXX 
12:48PM 
3 
mode of frequency distribution table 
10:21AM 
2 
cannot find package in Packages>>Install Packages 
10:06AM 
6 
splitting strings effriciently 
8:14AM 
0 
Adding a migration element to a deterministic spatial model 
8:01AM 
5 
Re: multivariate problem 
4:48AM 
0 
help() 
4:15AM 
2 
how to combine grouped data and ungrouped data in a trellis xyplot 
2:34AM 
1 
PLM, Logical subscript too long, error 
1:26AM 
0 
repeated measures 

Saturday January 7 2012 
Time  Replies  Subject 
11:35PM 
7 
Help 
9:57PM 
1 
kmeans++ 
7:26PM 
4 
need help 
4:54PM 
2 
Re: glm or transformation of the response? 
2:02PM 
1 
rcom package  Events 
10:48AM 
5 
colouring a table, data.frame or matrix in an interactive R session 
10:47AM 
6 
using deltat parameter in time series in HoltWinters prediction 
10:29AM 
1 
constructing yieldcurve 
10:12AM 
0 
SSA in R 
2:43AM 
17 
Putting an index explicitly into function code  a curiosity. 
2:05AM 
3 
Getting a list of unique gene names from a list with semicolons 

Friday January 6 2012 
Time  Replies  Subject 
11:46PM 
3 
Sweave Chunks 
11:09PM 
1 
Please help!! How do I set graphical parameters for ploting ctree() 
7:31PM 
0 
Bootstrapping nlme models 
7:05PM 
2 
How to properly reset a saved seed? I've got the answer, but no explanation 
6:36PM 
0 
Correlated count data technique advice 
5:56PM 
1 
(Edited) cbind alternate for data frames 
5:43PM 
7 
cbind alternate 
5:18PM 
1 
Assign and cmpfun 
5:05PM 
0 
Code/Example for User Rating Profile Model 
4:47PM 
5 
How to fit my data with a distribution? 
4:18PM 
0 
Error using qda on the spambase training dataset 
3:34PM 
0 
plots for residual analysis 
3:22PM 
0 
VarCov matrix between coefficients across quantiles  summary.rq 
3:12PM 
2 
ggplot using scale_x_date gives Error in seq.int(r1$year, to$year, by) 
3:08PM 
0 
venneuler plots may be inaccurate 
3:00PM 
4 
Dropping columns from data frame 
2:39PM 
5 
data.frame: temporal complexity 
2:13PM 
1 
how to use rgl to plot dynamic orbit 
1:17PM 
4 
Spatial data, rpoispp, using window with fixed radius? 
11:49AM 
9 
add data to a file while doing a loop 
11:32AM 
1 
lme model specification problem (Error in MEEM...) 
10:49AM 
2 
What is wrong with this plotting? 
9:00AM 
0 
need help with connecting to SQL Server2008 Express with RJDBC 
8:19AM 
0 
Reply on "ggplot2  tricky problem" 
7:52AM 
1 
how to remove an element from list or character 
5:20AM 
4 
R not recognizing words 
4:52AM 
3 
question about rev 
3:28AM 
1 
Can levelplot colorkeys display a logarithmic scale evenly? 
1:43AM 
0 
Problem reading .por (SPSS portable) data file 
12:19AM 
0 
graphic problem: transparent window when starting mtrace() from package debug 

Thursday January 5 2012 
Time  Replies  Subject 
11:29PM 
4 
[ncdf] programmatically copying a netCDF file 
8:04PM 
2 
Calling R functions within C/C++ 
5:59PM 
1 
Fwd: WHO Anthro growth curve macros and R&InReplyTo=<CAAOCNNZawGtKkWpgFMYADSyxWGTeWEDxqVVHv7=Azo=1G+H9gg@mail.gmail.com> 
5:50PM 
2 
Problem with axes in a plot of KaplanMeier 
5:05PM 
3 
save output of print() to txt file 
4:43PM 
5 
Error in plot.window(...) : need finite 'ylim' values 
3:51PM 
7 
selection part of "subset" 
3:46PM 
1 
ggplot2  tricky problem 
3:17PM 
0 
wish: enable joining this Mailinglist via Gmane 
2:29PM 
5 
automatic SI prefixes as ticklabels on axis 
2:09PM 
3 
Bayesian estimate of prevalence with an imperfect test 
1:51PM 
1 
match matrices of different lengths 
10:58AM 
0 
The BRugs 0.74 interface to OpenBUGS released 
8:30AM 
0 
ssanova/ ssanova0 and adding the fitted line to a plot. 
1:10AM 
2 
difference of the multinomial logistic regression results between multinom() function in R and SPSS 

Wednesday January 4 2012 
Time  Replies  Subject 
9:38PM 
10 
a quick question about "rbinom" 
9:22PM 
6 
[newbie] stack operations, or functions with side effects (or both) 
9:08PM 
3 
using var from bash in R script 
8:47PM 
1 
Passing multiple arguments to a function through sapply() XXXX 
5:52PM 
1 
plot rq lm 
5:42PM 
1 
Symbols in graph 
4:51PM 
0 
interaction plot and x axis 
4:32PM 
6 
Combining characters 
4:30PM 
1 
putting regression output right on a plot 
4:22PM 
2 
problem on plotting ts data 
3:53PM 
1 
Merging and subsetting with row names XXXX 
3:45PM 
2 
function in R for my exercise 
3:45PM 
0 
Re: quadratic programmingmaximization instead of 
3:12PM 
6 
subscript with comma 
2:56PM 
4 
Adding a vertical line to plot with two overlapping density plots 
2:53PM 
7 
Warning message about closing a connection XXXX 
2:38PM 
1 
[Matlab] Need help on ARIMA and Matlab 
2:09PM 
1 
Is there a way to update a method on an existing Reference Class object? 
1:41PM 
0 
Update method on existing reference class object 
1:41PM 
6 
Using a mathematical expression in sapply() XXXX 
1:08PM 
7 
simulating stable VAR process 
12:36PM 
0 
Non Negative Least Squares Regression with nnls 
11:48AM 
0 
Error formal argument "softmax" matched by multiple actual arguments 
11:46AM 
2 
Linear regression using matrices 
11:16AM 
1 
A problem of meta analysis based on metafor package 
10:49AM 
2 
KS and AD test for Generalized PAreto and Generalized Extreme value 
9:27AM 
1 
Extract concordance from coxph.object 
9:04AM 
3 
R 2.14.0 Design library 
6:04AM 
0 
RCurl : Problem with submitting using postForm() 
5:58AM 
5 
problem in R 
3:44AM 
1 
Extracting from a list XXXX 
3:00AM 
4 
Allow HTML email on RHelp 
12:03AM 
3 
tcltk on linux/rhel6 

Tuesday January 3 2012 
Time  Replies  Subject 
10:56PM 
3 
Comparison of numeric and character vectors 
8:33PM 
0 
Google student internships 
8:13PM 
1 
sqldf and not converting integers to floating point in SQLite 
8:03PM 
0 
Web analytics / Customer Analytics book recommendation 
7:39PM 
7 
RODBC installation: error message 
6:11PM 
1 
ED50 calculation in drc package 
4:52PM 
0 
optim  SelfStart values  growth function 
4:45PM 
15 
Finding Source of Error Message of 'NonUnique Index Entries' 
1:19PM 
1 
Error when using foreach package for parralelization 
12:24PM 
12 
calculate quantiles of a custom function 
8:32AM 
0 
Create and Initialize List values 
8:30AM 
3 
higher derivatives using deriv 
7:58AM 
2 
Histogram: plot by group 
6:52AM 
3 
An R interface to Model Building 
5:09AM 
0 
Biglm source code alternatives (E.g. Call to Fortran) 
4:25AM 
2 
nls and rbinom function: step factor 0.000488281 reduced below 'minFactor' of 0.000976562 
4:02AM 
6 
About source() 
3:34AM 
6 
Changing X axis of ggplot 
2:51AM 
2 
Options for generating editable figures? 
2:47AM 
0 
[newbie] pager for large matrix? 
2:08AM 
1 
where to ask questions regarding package=ncdf? 

Monday January 2 2012 
Time  Replies  Subject 
11:19PM 
4 
Is using glht with "Tukey" for lme posthoc comparisons an appropriate substitute to TukeyHSD? 
10:11PM 
1 
tm.plugin.sentiment 
5:53PM 
1 
Re: Remove me from the mailing list 
4:31PM 
1 
Creating ZOO Matrix from Data Frame 
3:31PM 
4 
syntax for reading into R 
3:21PM 
0 
Predicting multiple responses 
3:09PM 
1 
Display number in currency notation with commas 
1:08PM 
5 
summary per group 
12:39PM 
0 
Rycas help 
12:15PM 
1 
calibration curve for glmnet object 
12:10PM 
6 
Conditionally adding a constant 
12:00PM 
2 
sm.density.compare  a lot of curves 
11:36AM 
3 
quadratic programmingmaximization instead of minization 
10:53AM 
0 
.Rprofile and help startup 
9:43AM 
3 
clear plot linear mixed model 
9:42AM 
2 
Display warning when embedded data file is loaded 
9:11AM 
7 
Create variable with AND IF statement 
8:17AM 
2 
Cran package directory 404 error since 30th December 
3:34AM 
0 
How to get cov matrix of regression parameters in GEE using 'geese' or 'geeglm'' 
1:37AM 
0 
Reading mcmc/coda into a big.matrix efficiently 

Sunday January 1 2012 
Time  Replies  Subject 
11:21PM 
5 
find inflexion point of discrete value list with R 
10:50PM 
2 
Lattice: Understanding How Points Connected by Lines 
10:21PM 
4 
matrix position to list of coordinates 
7:58PM 
1 
How to pass in a list of variables as an argument to a function? 
5:43PM 
3 
what's the command in R to completely clear the state of the console(including clearing up libraries, etc?) 
3:50PM 
10 
R report generator (for Word)? 
3:05PM 
6 
R on Android 
2:13PM 
3 
rep() inside of lm()? 
2:05PM 
5 
bmp() shifts the image (Windows XP) 
9:55AM 
0 
looking for R software resource persons 
12:50AM 
2 
empty files created with trellis xyplot jpeg device 