No idea what a "mean median histogram" is but you may wish to check
out ?tapply or library(plyr), both of which are designed for this
split-apply-combine paradigm.
Michael
On Tue, Mar 27, 2012 at 12:51 AM, arunkumar1111 <
[hidden email]> wrote:
> Hi
>
> I have records like like this
>
> X1 X2 State
> 34 72 state1
> 9 63 state1
> 49 31 state1
> 60 34 state1
> 80 73 state1
> 60 20 state2
> 59 87 state2
> 88 20 state2
> 71 66 state2
> 65 56 state2
> 59 16 state1
> 60 100 state2
>
>
> I want to get the summarize value like mean median histogram for X1 and X2
> based on state. I'm using FOR loop for this. Is there any method to remove
> for loop and use apply or any alternatives
>
>
> -----
> Thanks in Advance
> Arun
> --
> View this message in context:
http://r.789695.n4.nabble.com/help-in-replacing-for-llop-tp4507939p4507939.html> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
>
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>
https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide
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https://stat.ethz.ch/mailman/listinfo/r-helpPLEASE do read the posting guide
http://www.R-project.org/posting-guide.htmland provide commented, minimal, self-contained, reproducible code.
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