[R] Create Artificial Binary Matrix based on probability

[Erik Iverson]

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
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