[R] means, SD's and tapply

Scott Chamberlain scttchamberlain4 at gmail.com
Fri Feb 25 22:01:07 CET 2011


An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20110225/65515aab/attachment.pl>


More information about the R-help mailing list