Create Artificial Binary Matrix based on probability
Thanks a lot Erik and Tony! Both of your suggestions accomplish what I need. Cheers, Mike
Erik Iverson wrote:
Try matrix(rbinom(100, 1, prob = 0.048), nrow = 10)
-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of bikemike42 Sent: Tuesday, November 03, 2009 11:49 AM To: r-help at r-project.org Subject: [R] Create Artificial Binary Matrix based on probability Dear All, I am trying to create an artificial binary matrix such that each cell has a probability of 0.048 of having a 1. So far the closest I've come is us by using a random poisson distribution with a mean of 0.048, but I can't figure out how to limit the max value to 1. Otherwise that would work fine it seems. Any suggestions? The main code I've got to create said matrix so far is: a<-replicate(26,rpois(57,0.048)) Thanks in Advance, Mike -- View this message in context: http://old.nabble.com/Create-Artificial- Binary-Matrix-based-on-probability-tp26160622p26160622.html Sent from the R help mailing list archive at Nabble.com.
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Michael L. Treglia Graduate Student Wildlife and Fisheries Sciences Texas A&M University Lab: (979)862-7245 Cell: (917)841-5603 mlt35 at tamu.edu http://people.tamu.edu/~mlt35