dear group, i have a sample matrix name v1 v2 v3 v4 cat 10 11 12 15 dog 3 12 10 14 cat 9 12 12 15 cat 5 12 10 11 dog 12 113 123 31 ...
since cat is repeated 3 times, I want a mean value for it. Like wise for every element of the name column. cat v1 = mean(c(10,9,5)) cat v3 = mean(c(11,12,13)) ..etc. name v1 v2 v3 v4 cat 8 11.6 11.3 13.6 dog 7.5 62.5 66.5 22.5 could any one help me in solving this mystery. thank you. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
