> I know that the simple R function table() will do this, but I am afraid
> that some times I may get zero frequency for some particular values
Make a factor out of your data, specifying all the levels you want counts
for, and pass that factor to table(). E.g.,
> x <- rep(0:6, c(5,2,0,3,0,4,0))
> table(x)
x
0 1 3 5
5 2 3 4
> table(factor(x, levels=0:10))
0 1 2 3 4 5 6 7 8 9 10
5 2 0 3 0 4 0 0 0 0 0
Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com
> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
> Behalf
> Of arun4
> Sent: Wednesday, November 21, 2012 5:20 AM
> To: r-help@r-project.org
> Subject: [R] Creating a frequency table for binomial varaible
>
> Hello,
> I have simulated 30 observations from a binomial(5,0.1) distribution.
> Now I need to make frequency table( that means I need to tally how many 0's
> , 1's 2's....... 5's)
> I know that the simple R function table() will do this, but I am afraid
> that some times I may get zero frequency for some particular values (for
> example in the above there are 5-0's 10-1's , 14-2's, 10-3's , 11-4's but no
> any 5's )
>
> So I want to make by frequecy table ( as a date frame) as
> value freq
> 0 5
> 1 10
> 2 14
> 3 10
> 4 11
> 5 0
>
>
> How can I create such a table?
> Forgive me if this is a very basic question. I am new to R.
>
> Thank you very much.
>
>
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Creating-a-frequency-
> table-for-binomial-varaible-tp4650286.html
> Sent from the R help mailing list archive at Nabble.com.
>
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