Actually how about 1:30pm today. I'm on Alvard's Jobinar panel from 12:30-1:30pm.
David -----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of David Carlson Sent: Friday, April 4, 2014 3:15 PM To: 'eliza botto'; r-help@r-project.org Subject: Re: [R] average of rows of each column Something like (only 20 columns here): x <- matrix(rnorm(120*20), 120, 20) xagg <- aggregate(x, list(rep(1:12, each=10)), mean) ------------------------------------- David L Carlson Department of Anthropology Texas A&M University College Station, TX 77840-4352 ----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of eliza botto Sent: Friday, April 4, 2014 1:08 PM To: r-help@r-project.org Subject: [R] average of rows of each column Dear useRs, I have a matrix of 120 row and 1000 columns.What I want is to get an average of a set of 12 rows starting from 1 till 120 for each column. Precisely, for column 1 the average of 1:10 rows, 11:20 rows.... 111:120. similarly for column 2, 3, 4.... 1000. So in the end i should have a matrix with 12 rows and 1000 columns. Thankyou very much in advance. Eliza [[alternative HTML version deleted]] ______________________________________________ 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. ______________________________________________ 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. ______________________________________________ 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.
