[R] values in between
maechler at stat.math.ethz.ch
Thu Dec 1 09:18:26 CET 2005
>>>>> "Eric" == Eric C Jennings <matheric at u.washington.edu>
>>>>> on Wed, 30 Nov 2005 21:39:12 -0800 writes:
Eric> Hey there
Eric> I have two vectors:
Eric> y<- c(0.4, 0.0, 0.2, -0.2, -0.6, 0.2, 0.0, 0.0, 0.4, 0.4, 0.2)
hmm, this is *one* vector , not two !
Eric> In the vector y, I want to access (in the order given) all of the values in
Eric> between each of the specific values of given.
Eric> I understand subsetting with y[i], but how do I get to ssomewhere in
Eric> between -0.6 and 0.2?
Though you could be much clearer, in your question, I'm pretty
sure you are looking for *interpolation*;
In that case, I'd recommend approx() or spline() -- or with same
functionality but more elegant interface -- approxfun() and
Martin Maechler, ETH Zurich
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