[R] Finding the Min.
javalkon at hytti.uku.fi
Tue Jan 30 10:00:54 CET 2007
stat stat wrote:
> I want to see at which row minimum value of the second column occures.
> Therefore I made the following loop:
> Is there any more effective way to do that in terms of time consumption?
I don't know about timing, but I understand that loops are somewhat
slow. Assuming that x is the first column and y is the second column:
D <- data.frame( x = 1:10, y = rnorm(10) )
D$x[ which.min(D$y) ]
See the help of which.min for more info.
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