[R] Create Artificial Binary Matrix based on probability

Mike Treglia mlt35 at tamu.edu
Tue Nov 3 19:04:54 CET 2009


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




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