[R] problem with apply(m, 1, min, na.rm=T)
Czerminski, Ryszard
Ryszard.Czerminski at astrazeneca.com
Wed Jan 21 00:26:39 CET 2009
Passing extra arguments to FUN=mean or median in apply
seems fine, but when FUN=min warnings are generated?
See below.
Any ideas why?
Best regards,
Ryszard
Ryszard Czerminski
AstraZeneca Pharmaceuticals LP
> m
[,1] [,2]
[1,] 1 2
[2,] 3 NA
[3,] NA NA
> apply(m, 1, median, na.rm=T)
[1] 1.5 3.0 NA
> apply(m, 1, mean, na.rm=T)
[1] 1.5 3.0 NaN
> apply(m, 1, min, na.rm=T)
[1] 1 3 Inf
Warning message:
In FUN(newX[, i], ...) : no non-missing arguments to min; returning Inf
>
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