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...ersions of Windows (see <http://www.microsoft.com/whdc/system/platform/server/PAE/PAEmem.mspx>). ------------------------------------------------------------------------------------ Thank you in advance for any help you might be able to provide, Karen --- Karen M. Green, Ph.D. Karen.Green@sanofi-aventis.com Research Investigator Drug Design Group Sanofi Aventis Pharmaceuticals 1580 E. Hanley Blvd. Tucson, AZ 85737-9525 [[alternative HTML version deleted]]

...use "drplot" to graph my data I get an error. The message is: Error in plot.window(xlim, ylim, log, asp, ...) : need finite 'xlim' values If someone could please tell me what I am doing wrong, I would much appreciate it. Thank you and have a blessed day. Eugene Glover Sanofi-Aventis 26 Landsdowne St 4th floor Cambridge MA 02139 617-768-4079 [[alternative HTML version deleted]]

Dear All, I'm trying to read a text data file that contains several records separated by a blank line. Each record starts with a row that contains it's ID and the number of rows for the records (two columns), then the data table itself, e.g. 123 5 89.1791 1.1024 90.5735 1.1024 92.5666 1.1024 95.0725 1.1024 101.2070 1.1024 321 3 60.1601 1.1024 64.8023 1.1024 70.0593

Hello, I got stuck with a graphics question: I've 3 figures that I present on a single page (window) via 'layout'. The layout is layout(matrix(c(1,1,2,3), 2, 2, byrow=TRUE)); so that the frst plot spans the both columns in row one. Now I'd like to magnify the fist figure so that it takes 20% more vertical space (i.e. more space for the y-axis). How would I do this in R?

...pport color? In R 2.0.1 Patched (2004-11-17), it produced very pretty output: ## pictex(file = "modern-metatheonomy.tex", bg = "transparent"); ## plotData(data); ## dev.off() ... but it appears to have ignored all color information. __________ Steve Rowley <steve.rowley at sanofi-aventis.com> Cambridge, MA: (617) 768-4054 ICQ: 52-377-390

What is the correct form to write statement meaning: if (a==1) {b=2; c=3}; else {b=0; c=0}; Thank you Jue Wang, Biostatistician Contracted Position for Preclinical & Research Biostatistics PrO Unlimited (908) 231-3022

...**************************** ********** QUESTION: Is anyone aware of a randomization t-test function in R? ************************************************************************ ********** Thank you for your help, Karen --- Karen M. Green, Ph.D. Research Investigator Drug Design Group Sanofi Aventis Pharmaceuticals 1580 E. Hanley Blvd. Tucson, AZ 85737-9525 USA [[alternative HTML version deleted]]

Hello, I'm trying to find out the optimal number of splits (mtry parameter) for a randomForest classification. The classification is binary and there are 32 explanatory variables (mostly factors with each up to 4 levels but also some numeric variables) and 575 cases. I've seen that although there are only 32 explanatory variables the best classification performance is reached when

Hello, I've a very long character array (>500k characters) that need to split by '\n' resulting in an array of about 60k numbers. The help on strsplit says to use perl=TRUE to get better formance, but still it takes several minutes to split this string. The massive string is the return value of a call to xmlElementsByTagName from the XML library and looks like this: ... 12345

...ype=c("density")),MyMixtureModel)) ################## # (4) plot components ################## ??? Any information you might be able to shed on this would be very much appreciated. With appreciation for your help, Karen --- Karen M. Green, Ph.D. Research Investigator Drug Design Group Sanofi Aventis Pharmaceuticals Tucson, AZ USA [[alternative HTML version deleted]]

Hello, I was wondering if there is an R-package to automatically calculate the IC50 value (concentration of a substrance that inhibits cell growth to 50%) for some measurements. kind regards, Arne [[alternative HTML version deleted]]

Hello, I want to do a surface plot with wireframe from the lattice package. As for now I use the following command : print(wireframe(m,main="% my title", colorkey=TRUE, col.regions=rainbow(100), drape=TRUE,aspect = c(1,1.0),ylab="y",xlab="x",zlab="z", scales=list(arrows=FALSE)),split=c(1,1,3,2), more=TRUE) How can I show the gridlines in a 3D surface

Dear R users, I used plot(x,y) to draw a scatter plot. I need to add another smaller histogram on the same plot I just had. However when I used hist(y), the histogram was on another page. Any suggestion? Best Regards, Philip [[alternative HTML version deleted]]

Hi, Marion, I believe the package FlexMix provides a more generalized version of finite mixture modeling than is found in mclust/mclust02. Please see: http://cran.r-project.org/doc/vignettes/flexmix/flexmix-intro.pdf Karen --- Karen M. Green, Ph.D. Karen.Green@sanofi-aventis.com Research Investigator Drug Design Group Sanofi Aventis Pharmaceuticals -----Original Message----- From: r-help-bounces@r-project.org [mailto:r-help-bounces@r-project.org] On Behalf Of Marion Wittmann Sent: Monday, November 19, 2007 2:57 PM To: r-help@r-project.org Subject: [R]...

I have a plot of cumulative distribution function which is a step function, I'd like to put a cycle at the right end of each line to indicate that the value here is not available in this line. How can I do that? Thank you. cdf<-function(x){ do.call("rbind",lapply(1:nrow(as.matrix(x)), function(i){ a<-x[i] if (a<0.5){b=0.1} else if (a<1){b=0.3} else if

Using "par" seems easily put a "hist" and a density side by side on the same output window. I would like to use some features in "histogram" from Lattice, but how can I put "histogram" and "densityplot" side by side on the same graph? Thank you par(mfrow=c(2,1)) hist(y) plot(density(y)) Jue Wang, Biostatistician Contracted Position for

Dear All, I've a question about scaling the input variables for an analysis with svm (package e1071). Most of my variables are factors with 4 to 6 levels but there are also some numeric variables. I'm not familiar with the math behind svms, so my assumtions maybe completely wrong ... or obvious. Will the svm automatically expand the factors into a binary matrix? If I add numeric

....507 4 0.399 5 0.281 6 0.203 7 0.150 8 0.101 Model Sp.1=lm(y~bs(x,df=4)) Now I wish to inverse predict the x for y=.75, say. Optimize works fine for a polynomial but I can figure out how to get the spline model into the function argument. Can anyone help me out. Thanks!! Jeff Jeff Morris Sanofi Pasteur This communication, including any attachments, is intended solely for the use of the addressee and may contain information which is privileged, confidential, exempt from disclosure under applicable law or subject to copyright. If you are not an intended recipient, any use, disclosure, di...

hi, a) i have something like: ecdfgrp1<-ecdf(subset(mydata,TMT_GRP==1)$Y); ecdfgrp2<-ecdf(subset(mydata,TMT_GRP==2)$Y); how can i plot the difference between these 2 step functions? i could begin with ecdfrefl<-function(x){ecdfgrp2(x)-ecdfgrp1(x);} ... what next? b) if i have a vector with repeated numeric values how can i get the subset without repeated values .e.g (0,4,0,2,2)

Hola. Tengo la matriz adjunta, en un formato incómodo (dos columnas).- Quisiera ordenarla, tal que resulten 9 variables (columnas) con los siguientes valores, que actualmente están en la V1, repetidos 21 veces: Leading Companies Sales (M AR$) Market % Total Growth Mature Portf New Products Extensions Leading Lógicamente, en los filas quisiera los valores que actualmente están en la V2.- ?No logro