Hi you probably installed (downloaded and unpacked) a package but you forgot to load it to R and therefore R does not know that you want to use it.
library(R.matlab) see ?library and R-intro.html HTH Petr On 22 Dec 2006 at 11:17, Arthur Leblois wrote: Date sent: Fri, 22 Dec 2006 11:17:07 +0100 (MET) From: Arthur Leblois <[EMAIL PROTECTED]> To: r-help@stat.math.ethz.ch Subject: [R] Pb with R.matlab > > Hello, > > I have problems running the R.matlab package. I work with R 2.3.1, > under windows (using the Rgui). It seems that, even after loading the > package, the "simple" functions such as writeMat() or readMat() are > not recognized. > > For example, the following script leads to an error: > > > install.packages("R.matlab") > --- Please select a CRAN mirror for use in this session --- > essai de l'URL > 'http://cran.miroir-francais.fr/bin/windows/contrib/2.3/R.matlab_1.1.2 > .zip' Content type 'application/zip' length 177859 bytes URL ouverte > downloaded 173Kb > > package 'R.matlab' successfully unpacked and MD5 sums checked > > The downloaded packages are in > C:\Documents and Settings\Arthur Leblois\Local > Settings\Temp\RtmpPyR7qb\downloaded_packages > updating HTML package descriptions > > > A <- matrix(1:27, ncol=3) > > B <- as.matrix(1:10) > > writeMat("matrix.mat", A=A, B=B) > Erreur : impossible de trouver la fonction "writeMat" > > > (the last line means, in french: "Error: function "writeMat" not > found") > > If anyone has an idea what is happening and why it doesn't work, > please let me know. > > Arthur Leblois > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html and provide commented, > minimal, self-contained, reproducible code. Petr Pikal [EMAIL PROTECTED] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.