search for: irizarry

Using Sweave in the tools library (R version 1.8.0: sorry i havent upgraded), it seems i cant use if statements in R chunks that make graphs. i have this: <<fig=TRUE,echo=F>>= par(mfrow=c(1,1)) if(exists("x")) plot(x,x) else{ plot(1,1,type="n") text(1,1,"data not available.\n") } @ and I get this error: Error: chunk 6 Error in parse(file, n,

How do you stop R from putting up a dialog box when you quit Rgui? (I use Windows and I never save workspaces that way) Murray -- Dr Murray Jorgensen http://www.stats.waikato.ac.nz/Staff/maj.html Department of Statistics, University of Waikato, Hamilton, New Zealand Email: maj at waikato.ac.nz Fax 7 838 4155 Phone +64 7 838 4773 wk +64 7 849 6486 home

Ive created a postscript files that looks just like I want it to look except instead of being 6'' x 6'' i want it to be 2''x 2''. i used the postscipt() function (R 1.5.1 on redhat). if i use width and height in par to change the scale the figure looks terrible cause cex,mar,etc.. dont appear to change. before i start tinkering with the cex's and mar... is

im using plclust and want the labels to be different colors. i took a look at getS3method("plot","hclust") and saw a call to .Internal. i looked at the help on .Internal and dont know where to go next. any help appreciated! thanks, rafael

one more bit of information about this problem. If I start R as the user "postgres" i dont have the segmentation fault. ---------- Forwarded message ---------- Date: Wed, 5 Feb 2003 19:19:39 -0500 (EST) From: Rafael A. Irizarry <ririzarr at jhsph.edu> Reply-To: rafa at jhu.edu To: "R-Help (E-mail)" <r-help at r-project.org> Subject: rdbi segmentation fault hi! i am experiencing the same behaviour explained here: http://finzi.psych.upenn.edu/R/Rhelp02/archive/2482.html (i copied the message below)...

...2003. Spokespeople for BioConductor see the collaboration as helping ensure the distribution and high-level end-user support of key research tools to the broadest possible population of researchers. These people include: S.Dudoit, Division of Biostatistics, University of California, Berkeley; R.A. Irizarry, Department of Biostatistics, Johns Hopkins University; V.J. Carey, Harvard Medical School; R. Gentleman, Harvard School of Public Health. Shawn Javid, Insightful's CEO had this to add, "The collaboration with BioConductor is a blueprint for how Insightful can work with the open source co...

im using R 1.5.0 on redhat. when i use ccf in the ts library i get, what i think is, an incorrect entry in the lag and acf components. as an example, look at the second entry in the lag and acf components below: > library(ts) > tmp <- ccf(ts(rnorm(3)),ts(rnorm(3)),plot=F) > tmp$lag , , 1 [,1] [1,] -1 [2,] 0 [3,] 0 [4,] 1 > tmp$acf , , 1 [,1] [1,]

...2003. Spokespeople for BioConductor see the collaboration as helping ensure the distribution and high-level end-user support of key research tools to the broadest possible population of researchers. These people include: S.Dudoit, Division of Biostatistics, University of California, Berkeley; R.A. Irizarry, Department of Biostatistics, Johns Hopkins University; V.J. Carey, Harvard Medical School; R. Gentleman, Harvard School of Public Health. Shawn Javid, Insightful's CEO had this to add, "The collaboration with BioConductor is a blueprint for how Insightful can work with the open source co...

if i write a funciton like this f <- function(x) Sweave("report.Rnw") and report.Rnw has an R chunk like this: <<>>= print(x) @ i get an error: 'Object "x" not found'. is there a way to avoid this without using assign to create a global variable? thanks, rafael

hi! i want to change the "robustness weights" used by loess. these are described on page 316 of chambers and hastie's "statistical models in S" book as r_i = B(e_i,6m) where B is tukey's biweight function, e_i are the residulas, and m is the median average distance from 0 of the residuals. i want to change 6m to, say, 3m. is there a way to do this? i cant

Does anyone know if Hastie's gene shaving method is implemented in R Thanks, Aimin

hi! using: Version 1.8.0 Under development (unstable) (2003-09-02) using the Sweave function of the tools package i get this error when latexing with texi2dvi --pdf ! LaTeX Error: File `upquote.sty' not found. if i change the line \usepackage{/users/faculty/ririzarr/R-1.8.0/lib/R/share/texmf/Sweave} to \usepackage{/users/faculty/ririzarr/R-1.7.1/lib/R/share/texmf/Sweave} in the tex file,

...uggestion from the if help page: "For that reason, one (somewhat extreme) attitude of defensive programming uses braces always, e.g., for 'if' clauses. always enclose expressions in if-else statements even if you dont think you need them." thanks again, -r "Rafael A. Irizarry" <ririzarr at jhsph.edu> writes: > Using Sweave in the tools library (R version 1.8.0: sorry i havent > upgraded), it seems i cant use if state...

Hi! I have used the Matrix package (Version: 0.995-10) successfully to obtain the OLS solution for a problem where the design matrix X is 44000x6000. X is very sparse (about 80000 non-zeros elements). Now I want to do WLS: (X'WX)^-1X'Wy I tried W=Diagonal(length(w),w) and wX=solve(X,W) but after various minutes R gives a not enough memory error (Im using a 64bit machine with 16Gigs

...revolutionanalytics.com/2017/07/neural-embeddings-nlp.html R ranks #6 in the 2017 IEEE Spectrum Top Programming Languages: http://blog.revolutionanalytics.com/2017/07/ieee-spectrum-2017-top-programming-languages.html Course materials on "Data Analysis for the Life Sciences", from Rafael Irizarry: http://blog.revolutionanalytics.com/2017/07/harvardx.html How to securely store API keys in R scripts with the "secret" package: http://blog.revolutionanalytics.com/2017/07/secret-package.html An in-depth tutorial on implementing neural network algorithms in R: http://blog.revolutionan...

...l School, USA. Jeff Gentry, Dana-Farber Cancer Institute, USA. Kurt Hornik, Technische Universitat Wien, Austria. Torsten Hothorn, Institut fuer Medizininformatik, Biometrie und Epidemiologie, Germany. Wolfgang Huber, DKFZ Heidelberg, Molecular Genome Analysis, Germany. Stefano Iacus, Italy Rafael Irizarry, Department of Biostatistics (JHU), USA. Friedrich Leisch, Technische Universitat Wien, Austria. Martin Maechler, Federal Inst. Technology, Switzerland. Colin Smith, Scripps Research Institute, USA. Gordon Smyth, Walter and Eliza Hall Institute, Australia. A.J. Rossini, Medical Eduction and Biomedi...

...try, Dana-Farber Cancer Institute, USA. Kurt Hornik, Technische Universitat Wien, Austria. Torsten Hothorn, Institut fuer Medizininformatik, Biometrie und Epidemiologie, Germany. Wolfgang Huber, DKFZ Heidelberg, Molecular Genome Analysis, Germany. Stefano Iacus, Italy Rafael Irizarry, Department of Biostatistics (JHU), USA. Friedrich Leisch, Technische Universitat Wien, Austria. Cheng Li, Harvard Medical School, USA. Martin Maechler, Federal Inst. Technology, Switzerland. Anthony Rossini, University of Washington and the Fred Hutchinson Cancer Research Center, USA...

...try, Dana-Farber Cancer Institute, USA. Kurt Hornik, Technische Universitat Wien, Austria. Torsten Hothorn, Institut fuer Medizininformatik, Biometrie und Epidemiologie, Germany. Wolfgang Huber, DKFZ Heidelberg, Molecular Genome Analysis, Germany. Stefano Iacus, Italy Rafael Irizarry, Department of Biostatistics (JHU), USA. Friedrich Leisch, Technische Universitat Wien, Austria. Cheng Li, Harvard Medical School, USA. Martin Maechler, Federal Inst. Technology, Switzerland. Anthony Rossini, University of Washington and the Fred Hutchinson Cancer Research Center, USA...

...try, Dana-Farber Cancer Institute, USA. Kurt Hornik, Technische Universitat Wien, Austria. Torsten Hothorn, Institut fuer Medizininformatik, Biometrie und Epidemiologie, Germany. Wolfgang Huber, DKFZ Heidelberg, Molecular Genome Analysis, Germany. Stefano Iacus, Italy Rafael Irizarry, Department of Biostatistics (JHU), USA. Friedrich Leisch, Technische Universitat Wien, Austria. Martin Maechler, Federal Inst. Technology, Switzerland. Anthony Rossini, University of Washington and the Fred Hutchinson Cancer Research Center, USA. Gunther Sawitzki, Institute fur Ange...

...sed by investigators on many different platforms and is a basis for training in statistical genomics and bioinformatics in a number of prominent universities on four continents. Spokespeople for the BioConductor Project: S. Dudoit, Division of Biostatistics, University of California, Berkeley; R.A. Irizarry, Department of Biostatistics, Johns Hopkins University; V.J. Carey, Harvard Medical School; R. Gentleman, Harvard School of Public Health. ABOUT INSIGHTFUL Insightful Corporation (NASDAQ:IFUL) provides enterprises with scalable data analysis solutions that drive better decisions faster by revealin...