search for: x1500

Dear R users, I have been trying to compute the following function and need it to work with n=15000, but it would only compute for smaller ns, such as n=1000 and not above. I was wondering if anyone would have a solution for this problem! Thank you very much for your kind support! Sincerely, Nan ------ Wi <- function(n) { fun <- function(w,i){

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Hi there and thanks in advance. I have a large symmetrical matrix stored in a text file. After load in R I would like to extract the same number of columns and rows (symmetrical submatrix) using their labels. I have tried this code in order to extract columns, but R console gives me the "+" sign at the end of the code, pointing out incomplete command, so it is not working: