Displaying 2 results from an estimated 2 matches for "tp4536224p4536224".
2012 Apr 05
2
how to compute a vector of min values ?
...n_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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2012 Mar 25
2
avoiding for loops
I have data that looks like this:
> df1
group id
1 red A
2 red B
3 red C
4 blue D
5 blue E
6 blue F
I want a list of the groups containing vectors with the ids. I am
avoiding subset(), as it is
only recommended for interactive use. Here's what I have so far:
df1 <- data.frame(group=c("red", "red", "red", "blue",