[R] how to compute a vector of min values ?
ikuzar
razuki at hotmail.fr
Fri Apr 6 00:25:45 CEST 2012
Hi,
I'd like to know how to get a vector of min value from many vectors without
making a loop. For example :
>v1 = c( 1, 2, 3)
> v2 = c( 2, 3, 4)
> v3 = c(3, 4, 5)
> df = data.frame(v1, v2, v3)
> df
v1 v2 v3
1 1 2 3
2 2 3 4
3 3 4 5
> min_vect = min(df)
> min_vect
[1] 1
I 'd like to get min_vect = (1, 2, 3), where 1 is the min of v1, 2 is the
min of v2 and 3 is the min of v3.
The example above are very easy but, in real, I have got v1, v2, ... v1440
Thanks for your help,
ikuzar
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