Re: [R] easy way to cap a data frame to a max value

From: Grey Moran <grey.moran_at_gmail.com>
Date: Fri, 07 Nov 2008 16:46:08 -0500

Thanks to all who replied - lots of good ideas. The one I prefered at the end was:
junk[junk > 5] <- 5

Grey

On Fri, Nov 7, 2008 at 4:38 PM, Gabor Grothendieck <ggrothendieck_at_gmail.com> wrote:
> That should be pmin:
>
> On Fri, Nov 7, 2008 at 4:25 PM, Gabor Grothendieck
> <ggrothendieck_at_gmail.com> wrote:
>> Assuming the data frame is all numeric:
>>
>> DF[] <- pmax(10, unlist(DF))
>>
>>
>> On Fri, Nov 7, 2008 at 4:16 PM, Grey Moran <grey.moran_at_gmail.com> wrote:
>>> Hello,
>>>
>>> I have some rather large matrices. Is there a way (without having to
>>> loop) to cap all the values of a data frame to a given ceiling?
>>> E.g.
>>> junk <- cbind(c(1,2,3,4,5),c(2,4,6,8,10))
>>>> junk
>>> [,1] [,2]
>>> [1,] 1 2
>>> [2,] 2 4
>>> [3,] 3 6
>>> [4,] 4 8
>>> [5,] 5 10
>>>
>>>>" replace anything over the value of 5 with 5..."
>>>
>>> Thank you all,
>>>
>>> Grey
>>>
>>> ______________________________________________
>>> R-help_at_r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>
>



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