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klarb1
2005 Oct 29
1
how to get colnames of a dataframe within a function called by 'apply'
...:
<---snip--->
nv <- function(xno.na)
{
par.or <- par(mfrow=c(3,3))
qqnorm(xno.na, main="HERE SHOULD BE THE NAME OF THE COLUMN")
qqline(xno.na, col="red")
par(par.or)
print(str(xno.na))
}
> temp # just a part of the whole data.frame
klarb1 klarb2 abarb laut skla1 skla2
a NA 13.068182 7.5 4 0.5 0.5
b NA 6.818182 9.0 6 NA 0.5
c 15.11628 6.818182 10.0 4 1.0 1.5
d NA 18.181818 19.0 2 1.0 0.5
> apply(temp,2,nv)
</---snip--->
Thanks a lot!
best wishes,
leo