accessing current factor in tapply
Bernie McConnell wrote:
G'Day,
I want to access in a function called from tapply the current factor.
In my example below, all I want to do is to write the current factor on
each histogram. Needless to say my example does not work. I would be
grateful for pointers in the right direction.
Many thanks
Bernie McConnell
Sea Mammal Reserach Unit
cc <- 1:10
ff <- rep(c("a","b"),5)
pp<- function(x,f) {
hist(x, main=as.character(f))
}
tapply(aa, ff, pp, f=ff)
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I think it would be easier and more foolproof to use a for loop:
cc <- 1:10
ff <- rep(c("a", "b"), 5)
par(mfrow = c(1, 2))
for(f in unique(ff))
hist(cc[ff==f], main = as.character(f))
Regards,
Sundar