Hello, How could I scale and center the data contained in the attached file since I would like to do this before doing a PCA analysis on them as well as drawing boxplot. <<DB_molprop.txt>> -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: DB_molprop.txt Url: https://stat.ethz.ch/pipermail/r-help/attachments/20050531/acc11f6c/DB_molprop.txt
I didn't look at your data, but you might try: help(scale) Sean On May 31, 2005, at 10:46 AM, Fr??d??ric Ooms wrote:> Hello, > How could I scale and center the data contained in the attached file > since I would like to do this before doing a PCA analysis on them as > well as drawing boxplot. > > <<DB_molprop.txt>> > > <DB_molprop.txt>______________________________________________ > R-help at 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
Fr??d??ric Ooms wrote:> Hello, > How could I scale and center the data contained in the attached file since I would like to do this before doing a PCA analysis on them as well as drawing boxplot. > > <<DB_molprop.txt>> >> ______________________________________________ > R-help at 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.htmlPLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Among MANY other tipps, it suggests to use help.search("keyword") Please do so! Please also read help pages, already the question related to pairs() could have been avoided by reading the help pages .... Uwe Ligges