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Hi, Please what am I doing wrong? I tried installing some views (eg MachineLearning, Multivariate) on R2.15.3, but it keeps on telling me that the package is not available for 2.15.3. Is it true? Thanks [[alternative HTML version deleted]]

Dear R-users, Can some one help me out. I tried installing some packages in R_2.5.1 but I get an error message as shown below. This is unusual since I have been installing and updatings packages in the same version of R. > chooseCRANmirror() > update.packages(ask='graphics') Error in .readRDS(pfile) : unknown input format or > utils:::menuInstallPkgs() Error in .readRDS(pfile) :

Greetings, I have the following simple function but what worries me is that it takes about 5 or more minutes to execute. My machine runs on windows with 1.8GHz and 256 Ram. > Re=NULL > for(i in 1:100000){ + x=rnorm(20) + Re[i]=(x-2*10)/20 + Re + } I would appreciate any help on how to make it faster. Usman ___________________________________________________________ now.

Dear R- Users, Please, what is wrong ? I am trying to run one sample Kolmogorov-Smirov test but I always get an error as shown below. > ks.test(A, "normal", 0,1) Error in get(x, envir, mode, inherits) : variable "normal" was not found > Thanks usman --------------------------------- Want to chat instantly with your online friends? Get the FREE Yahoo!Messenger

I tried installing "rgl" package which is needed for Rcmdr to work properly but I always some problem. This is the error I get ......... checking for libpng-config... yes configure: using libpng-config configure: using libpng dynamic linkage checking for X... libraries , headers  checking GL/gl.h usability... yes checking GL/gl.h presence... yes checking for GL/gl.h... yes checking