Displaying 2 results from an estimated 2 matches for "genentch".
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genentech
2008 Jan 07
2
Efficient way to substract all entries in two vectors from each other
Hi all,
I'm to inexperienced to come up with the matrix solution elusively appearing
on the horizon for the following problem and would appreciate if you could
give me a nudge ...
I have two vectors a, and b and need to find the closest match for each
value of a in b.
How to do that efficiently?
Thanks, Joh
2008 Jan 11
2
How to calculate the mean of all values in a list or dataframe
Hello all,
I've scoured the archives and google and I can't figure out how to
amalgamate a set of vectors of differing lengths in such a way as I can
calculate the mean easily.
The following dummy example contains vectors of length 1, but my data
has vectors of various lengths.
R> test = list(); for(i in 1:5) {test = append(test, i)}
R> test
[[1]]
[1] 1
[[2]]
[1] 2
[[3]]
[1] 3