Is this what you want:
> count=c(1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 7, 8, 8, 9, 9,
+ 10, 11, 15, 17, 17, 17, 17, 19, 19, 19, 19, 20, 20, 20, 21, 21,
+ 21, 22, 22, 22, 22, 23, 23, 23, 23, 23, 24, 24, 25, 27, 31, 33
+ )
> age=c(3, 8, 9, 7, 56, 58, 10, 13, 53, 55, 11, 12, 14, 51, 54,
+ 15, 50, 52, 18, 49, 48, 47, 20, 16, 17, 25, 45, 29, 33, 36, 41,
+ 35, 43, 46, 21, 27, 31, 28, 32, 38, 42, 22, 34, 37, 40, 44, 24,
+ 39, 30, 26, 19, 23)
> # create a vector with each age separately for its count
> bins <- rep(age, times=count)
> # setup the groups for the bins
> groups <- seq(0,100, 10)
> tapply(bins, cut(bins, groups), length)
(0,10] (10,20] (20,30] (30,40] (40,50] (50,60] (60,70] (70,80]
(80,90] (90,100]
8 111 232 216 159 26 NA
NA NA NA
>
>
>
On Thu, May 22, 2008 at 4:19 AM, francogrex <[EMAIL PROTECTED]> wrote:
>
> Hi, this is probably quite simple but I can't seem to do it correctly. I
> have
> a data frame of counts of infections in different ages; something like:
> count=c(1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 7, 8, 8, 9, 9,
> 10, 11, 15, 17, 17, 17, 17, 19, 19, 19, 19, 20, 20, 20, 21, 21,
> 21, 22, 22, 22, 22, 23, 23, 23, 23, 23, 24, 24, 25, 27, 31, 33
> )
> age=c(3, 8, 9, 7, 56, 58, 10, 13, 53, 55, 11, 12, 14, 51, 54,
> 15, 50, 52, 18, 49, 48, 47, 20, 16, 17, 25, 45, 29, 33, 36, 41,
> 35, 43, 46, 21, 27, 31, 28, 32, 38, 42, 22, 34, 37, 40, 44, 24,
> 39, 30, 26, 19, 23)
>
> frame=data.frame(count, age)
>
> But the data are too grainy and I would like to bin them in age groups
> (that
> I chose) to be something like:
> age<10 ...... count=5
> 10=<age <20 ..... count=8
> etc...
> What is the easiest and quickest way to do this? Thanks
> --
> View this message in context:
> http://www.nabble.com/Binning-groups-tp17399482p17399482.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
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