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flash
2008 Apr 27
1
parallel max, min, and median of dataframe columns
...quot;,
add=TRUE)
But these don't:
> st <- c(1:19)
> segments(st, pmax(data_frame), st, pmin(data_frame))
(no, I haven't tried to put in the median points yet)
I can plot them individually with
> segments(1, max(data_frame[,1]), 1, pmin(data_frame[,1]))
> points(1, median(fly_ash[,1]))
but that's a bit tedious. Is there a better way of vectorising these
columns such that they will work with pmax? Is there something like a
pmedian?
Regards,
Hazel Jenkins