search for: ghezzo

Displaying 20 results from an estimated 77 matches for "ghezzo".

2010 Mar 12
2
unknown compression
...e in the console, but how can I get all the functions in a package? the ./R/ subdirectory has files xx.rdb and xx.rdx which I can not decompress with 7-zip or with unzip, unrar etc. The help files are compressed with gzip in the ./man/ folder and can be unzipped easily. Thanks for your help heberto.ghezzo at McGill.ca
2012 Jul 31
2
help with a regression
...,Y1,Y2,Y3,Y4,Y5 and some other that do not matter, some of the X and Y can be missing (NA). I want to compute the slope of the linear regression Y ~ X for each subject, so using apply(DF,1,FUN,ra.rm=TRUE) now How do I define FUN? The X are different for each subject. Thanks for any help R.Heberto Ghezzo Ph.D. Montreal - Canada
2004 Feb 09
10
PhD student reading list, suggestions wanted
I've got a PhD student starting this year. She'll be working on data mining. She has asked for a reading list while she's still in her home country, which is a really good sign. Her cosupervisor and I don't (think we) have any problem with choosing things that are specifically about data mining, but there are some statistical ideas (sampling, exploratory-vs-confirmatory,
2012 Aug 01
3
help with a regression problem
...ntes of the Y on the X for each ID # sl <- rep(NA,4) for(i in 1:4) { x1 <- a[i,2:5] y1 <- a[i,6:9] sl[i] <- lm(y1 ~ x1)$coef[2] } sl # # I would like to use apply on the data.frame aa but with which function? # sl <- apply(aa,1,FUN) # FUN = ?? # Thanks for any help R.Heberto Ghezzo Ph.D. Montreal - Canada
2003 Jan 29
3
na.rm in sd()
...servations in cov/cor > sd(x,na.rm=T) Error in sd(x, na.rm = T) : unused argument(s) (na.rm ...) > var(x) Error in var(x) : missing observations in cov/cor > var(x,na.rm=T) [1] 5.366667 > why sd() does not recognize the na.rm=T parameter, while var does? R 1.6.1 on Win98 R.Heberto Ghezzo Ph.D. Meakins-Christie Labs McGill University Montreal - Canada
2009 May 27
3
R in Ubunto
...from a console I did sudo apt-get update sudo apt-get install r-base a lot of printout and when it inishes I typed R in the console and surprise! I got R 2.6.2!! in Windows I have R 2.9.0?? Did I do something wrong or there is another way to get the latest version of R? Thanks for any help Heberto Ghezzo Ph.D. Biostatistique medical Montreal - Canada
2005 Jan 17
5
find source code
...skal.test' could be found > I searched the archives and the answer was ' use getS3method ' . The help for getS3method is getS3method(f,class,optional=FALSE) so I am lost Can somebody tell me how to get the source listing of kruskal.test or of any other hidden function? Thanks Heberto Ghezzo Meakins-Christie Labs Canada
2011 Mar 01
2
problems with playwith
...\QTSystem\\;H:\\R\\GTK\\GTK2-Runtime\\bin;H:\\PortableUSB/PortableApps/MikeTex/miktex/bin" > packages(lattice, cairoDevice, gWidgetsRGtk2, gWidgets, RGtk2, playwith) were reinstalled program GTK was reinstalled. using R-2-12-2 on Windows 7 Can anybody suggest a solution? thanks R.Heberto Ghezzo Ph.D. Montreal - Canada
2009 May 28
0
R-help Digest, Vol 75, Issue 28
> >> From: Jeff Newmiller <jdnewmil at dcn.davis.ca.us> > >> To: "R Heberto Ghezzo, Dr" <heberto.ghezzo at mcgill.ca> > >> Date: Wed, 27 May 2009 09:00:44 -0700 > >> Subject: Re: [R] R in Ubunto > >> R Heberto Ghezzo, Dr wrote: > >> > >> ? ?Hello , I do not know anything abount Ubunto, but I found a Portable Ubunto for Windo...
2003 Apr 24
4
problems with max.col()
...1 2 3 4 i.e. the first column with the max, or the last column same if z <- embed(x,5) max.col(z) [1] 2 1 2 5 1 5 3 4 1 2 3 4 where it should be either of: 2 1 2 3 1 2 3 4 1 2 3 4 2 3 4 5 4 5 3 4 5 2 3 4 or I am missing something? ?max.col does not return anything R 1.7.0 on Win98 . Heberto.Ghezzo at McGill.ca
2003 Apr 24
4
problems with max.col()
...1 2 3 4 i.e. the first column with the max, or the last column same if z <- embed(x,5) max.col(z) [1] 2 1 2 5 1 5 3 4 1 2 3 4 where it should be either of: 2 1 2 3 1 2 3 4 1 2 3 4 2 3 4 5 4 5 3 4 5 2 3 4 or I am missing something? ?max.col does not return anything R 1.7.0 on Win98 . Heberto.Ghezzo at McGill.ca
2007 Nov 01
2
problem with log axis
...plot(x,y,log="x") abline(r1) gives me exactly the same plot for the points but the regression line is completely off ! I would like the plot with the real values of X on the axis, not the log(X) can somebody tell me why the "abline" is not correct in the second case? Thanks H.Ghezzo McGill University Montreal - Canada
2004 Dec 21
0
Fwd: problems with limma
On Wed, December 22, 2004 12:11 am, r.ghezzo at staff.mcgill.ca said: > ----- Forwarded message from r.ghezzo at staff.mcgill.ca ----- > Date: Mon, 20 Dec 2004 15:45:11 -0500 > From: r.ghezzo at staff.mcgill.ca > Reply-To: r.ghezzo at staff.mcgill.ca > Subject: [R] problems with limma > To: r-help at stat.math...
2000 Sep 13
2
minimization
Hi, I got a code from S that uses 'nlminb' to minimize a function with constraints. Is there a similar function in R? Thanks. R. Heberto Ghezzo Ph.D. Meakins-Christie Labs McGill University Montreal - Canada heberto at meakins.lan.mcgill.ca -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or &...
2011 Apr 20
1
Sweave
...9;example-1.tex' > tools::texi2dvi("example-1.tex", pdf = TRUE) Error in tools::texi2dvi("example-1.tex", pdf = TRUE) : pdflatex is not available > The code is from Sweave.pdf file in utils/doc I am using R-2.13.0 in Win7 Toshiba laptop Please any help? R.Heberto Ghezzo Ph.D. Montreal - Canada
2010 Nov 11
2
r-2.12.0 - Hmisc
...ad failed for 'Hmisc' > > library(cluster) Error: package 'cluster' is not installed for 'arch=i386' > but of course "cluster" is in the R-2.12.0/library/cluster/libs/i386/cluster.dll. Does the loader of required packages not look into i386? Thanks Heberto Ghezzo
2003 Jan 29
2
problems with by()
...same happens, it is applied to all the data and there is no partition of the data acording to index Do not tell me that this version of R is completely buggy, I was waiting for the 1.7 to be out before upgrading R : Copyright 2002, The R Development Core Team Version 1.6.1 (2002-11-01) R.Heberto.Ghezzo Ph.D. Meakins-Christie Labs McGill University Montreal - Canada
2001 Dec 12
1
again evaluations
...ing works as expected but with "aov1(x,g,s=s)" or "aov1(x,g,s)" I get the error Error in eval(expr, envir, enclos) : Object "y" not found > I am using R 1.3.1 on Win98. Can somebody explain why adding a parameter makes the first parameter invisible? Thanks Heberto Ghezzo Meakins-Christie Labs McGill University Montreal - Canada -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the &quot...
2011 Jan 10
2
problem with packages
...ot;),";",aa,"PortableUSB/PortableApps/MikeTex/miktex/bin",sep="") Sys.setenv("DirWinBugs"=paste(aa,"PortableUSB/PortableApps/WinBUGS14",sep="")) Sys.setenv("PATH"=PathNew) # }) Any ideas what can be wrong? Thanks R.Heberto Ghezzo Ph.D. Montreal - Canada
2001 Mar 14
2
scan
...s to read the first line, so I have to add a skip and increment the skip after each read. It takes forever to read a test file of 1 Mb, the real one is in 60's Mb Is there a way to read line by line an ASCII file without having to reread the part already read? Thanks for any help. R. Heberto Ghezzo Ph.D. Meakins-Christie Labs McGill University Montreal - Canada heberto at meakins.lan.mcgill.ca -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or &...