Dear all, what function can be used to calculate weighted SD or/and SE¿ There's no such stuff in 'base' package.
Best regards, A.A.Morkovin ______________________________________________ R-help@r-project.org 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.
