names(temp)[1]="a"
see: ?names
did you really created that function :-)?
Mihai Nica
170 East Griffith St. G5
Jackson, MS 39201
601-914-0361
----- Original Message ----
From: Benjamin Dickgiesser <[EMAIL PROTECTED]>
To: r-help@stat.math.ethz.ch
Sent: Thursday, October 26, 2006 12:08:08 PM
Subject: [R] Header of dataframe
Hi
I am fairly new to R and I would appreciate some help to hopefully a
trivial problem.
I created a function:
summary.aggregate <- function(y, ...)
{
temp.mean <- aggregate(y, FUN=mean, ...)
temp.sd <- aggregate(y, FUN=sd, ...)
temp.length <- aggregate(y, FUN=length, ...)
temp <- data.frame(cbind(mean=temp.mean$x,stdev=temp.sd$x,n=temp.length$x))
}
this outputs e.g.:
mean stdev n
1 645.6125 65.94129 60
2 655.2121 70.64094 60
3 633.3161 80.48620 60
4 650.3897 77.59191 60
5 630.4955 84.98888 60
6 656.2608 66.16100 60
7 666.1775 74.39796 60
8 663.1543 71.10769 60
Is there an easy way to add a column name to the first column?
Thank you,
Benjamin
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______________________________________________
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and provide commented, minimal, self-contained, reproducible code.
