[R] Counting frequency within each range

[David L Carlson]

table(cut(numbers, c(0, 10, 20, 30, . . .), include.lowest=TRUE))

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David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Chintanu
> Sent: Thursday, July 26, 2012 8:23 PM
> To: r-help at r-project.org
> Subject: [R] Counting frequency within each range
> 
> Hi,
> 
> This is a simple problem, but for the life of me I cannot find the
> answer.
> How to determine frequency within given ranges ?
> I know that table() gives frequency, for example
> 
> a <- table(numbers)
> > a
> numbers
>   4   5  23  34  43  54  56  65  67 324 435 453 456 567 657
>   2   1   2   2     1   1     2   1     2     1     3     1       1   1
> 1
> 
> > as.data.frame(table(numbers))
>    numbers Freq
> 1        4    2
> 2        5    1
> 3       23    2
> 4       34    2
> ...
> 
> However, there must be some simple way to get the frequency based on
> ranges, such as 0-10, 10-20, 20-30 and so on.
> Please help !
> 
> Thank you.
> 
> Cheers,
> Chintanu
> 
> 	[[alternative HTML version deleted]]
> 
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