Re: [R] Calculate Mean from List

gt; From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Suphajak Ngamlak > Sent: Tuesday, November 09, 2010 1:24 AM > To: 'r-help@r-project.org' > Subject: [R] Calculate Mean from List > > Dear all, > > I have a list of correla

Re: [R] Calculate Mean from List

one way is the following: A <- replicate(10, cor(matrix(rnorm(30), 10, 3)), simplify = FALSE) triA <- sapply(A, function (m) m[upper.tri(m)]) rowMeans(triA, na.rm = TRUE) I hope it helps. Best, Dimitris On 11/9/2010 9:23 AM, Suphajak Ngamlak wrote: Dear all, I have a list of correlation c

[R] Calculate Mean from List

Dear all, I have a list of correlation coefficient matrixes. Each matrix represents one date. For example A[[1]] A B C A 1 0.2 0.3 B 0.2 1 0.4 C 0.3 0.4 1 A