Re: [R] Running stats on individual data.frames from the split()function list

- -Ursprüngliche Nachricht- Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im Auftrag von Eric Vander Wal Gesendet: Tuesday, June 16, 2009 4:44 PM An: r-help@r-project.org Betreff: [R] Running stats on individual data.frames from the split()function list Hello

[R] Running stats on individual data.frames from the split() function list

Hello, and thanks in advance. I have a data.frame from which I want to count observations that occur on each day and determine the mean and std.error of said counts. For instance: x<-split(my.df, my.df$julian.days) Although I'm still in my R learning infancy I am under the impression that x