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2012 Aug 08
1
random number generator with SNOW/ Parallel/ foreach
Dear All, I have three classes of questions about generating random numbers with different packages (windows xp 32bit R). . 1. Suppose I would like to use package *foreach*, can I use current Sys.time as a seed? Although I can get the time up to1e-6 second precesion, the code below dose not work well on a local machine with two cores. ################# library(foreach) library(snow) library(doSNOW) testfun=function(){ options(digits.secs=6) set.seed(slave.seed <- substring(Sys.time(), 21, 26)) a <- rnorm(5,0,1)...