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phil
2010 May 07
4
Any way to apply TWO functions with tapply()?
I need to compute the mean and the standard deviation of a data set and would
like to have the results in one table/data frame. I call tapply() two times
and do then merge the resulting tables to have them all in one table. Is
there any way to tell tapply() to use the functions mean and sd within one
function call? Something like tapply(data$response, list(data$targets,
data$conditions), c(mean,
2010 May 05
0
R-help Digest, Vol 87, Issue 5
...://tigger.uic.edu/~hedayat/sascode.html<http://tigger.uic.edu/%7Ehedayat/sascode.html>
Regards, Gregoire Thomas
[[alternative HTML version deleted]]
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Message: 3
Date: Tue, 04 May 2010 13:11:05 +0200
From: it-r-help at ml.epigenomics.com
To: Phil Wieland <phwiel at gmx.de>
Subject: Re: [R] How to rbind listed data frames?
Message-ID: <4BE000C9.7070702 at epigenomics.com>
Content-Type: text/plain; charset=ISO-8859-1
assuming all data frames have the same format
do.call("rbind", dataList)
will concatenate all data frames contained in yo...