On 19-06-2013, at 09:30, Fazli Raziq <raziq_fa...@yahoo.com> wrote: > Hello, > > Where is the problem in this programming. I want two way matrix, but it gives > problem.
What is the problem? What are you expecting and what are you getting? > The program is given below: > > Thanks in advance. > > Regards > Fazli Raziq > > > rep = 2 > genes = 5 > pred = c() > iter = array (dim = c(rep, pred)) > pred = array(dim = c(1, genes)) > m = c() > l = 1 > w = 1 > for(m in 1:rep) { > t = time > c = cens > tab = cbind(t, c) > > # Resampling Time and Censoring > cc = sample(c, replace = TRUE) > tt = sample(t, replace = TRUE) > xx = Surv(tt, cc) > > P = predic[,1:5] > n = 310 > ma = matrix(P, n) > boot <- sample(seq(n), replace=TRUE) > genes5 = ma[boot, ] > > > for(p in 1: genes){ > i = c() > > for(i in w:l) { > z = genes5[,w: l] > y = coxph(xx ~ z) > > } > Pval = summary(y) $ coeff[, 5] > > if( any(Pval <= 0.01) ) sign <- 1 else sign <- 0 > pred[1, p] = sign[1] > } > > iter [m, 1:5] = pred[1: 5] > > } Running this code gives an error message: Error: object 'cens' not found And what is the purpose of t = time? time is a stats function. > [[alternative HTML version deleted]] > You are asked to NOT post in html. Berend > ______________________________________________ > 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.