search for: db_molprop

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