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...) use length() which returns the number of columns in matrix. This means that to function it seems that the sample size exceeds the matrix length. I need to sample the whole matrix for there are auxiliary variables I need for further sample processing. Ay help is much appreciated. Regards, Katja L?ytynoja

Hello everyone, is there a package/packages for factor analysis, particularly PCA? thanks, Katja Katja L??ytynoja Taitoniekantie 9 A 218 40 740 Jyv??skyl?? Finland tel.+35814 608058 cell.+35850 336 0174 kaloytyn at jyu.fi

...n 1:dim.exp[1]){ SNP.expr.cor<-cor(genotypes[,i],expressions.m[j,],use="na.or.complete") corrs[j]<-cbind(expressions[j,1:5], SNP.expr.cor) } all.corrs[i]<-list(cbind(map[i,1:6], corrs)) } BR Katja -- Katja L?ytynoja, FM Haartman Institute Department of Medical Genetics Biomedicum Helsinki P.O.Box 63 FIN-00014 University of Helsinki tel +358-9-19125496 gsm +358-50-4000324 fax +358-9-19125624 e-mail katja.loytynoja at helsinki.fi

[This message is not always serious, but it addresses a real problem.] A problem with R's present name is that it is not very well suited to search engines, although Google at least seems to cope as long as you have sufficient other terms to filter out Toys R Us. Initials remain a problem. I suppose "R" is just too culty to do away with, but perhaps we could come up with a longer