[R] values in between

Martin Maechler maechler at stat.math.ethz.ch
Fri Dec 2 09:09:43 CET 2005

>>>>> "Jim" == Jim Lemon <bitwrit at ozemail.com.au>
>>>>>     on Thu, 01 Dec 2005 21:34:51 -0500 writes:

    Jim> Eric C. Jennings wrote:
    >> Hey there
    >> I have two vectors:
    >> y<- c(0.4,  0.0,  0.2, -0.2, -0.6, 0.2, 0.0, 0.0, 0.4, 0.4, 0.2)
    >> In the vector y, I want to access (in the order given) all of the values in 
    >> between each of the specific values of given.
    >> I understand subsetting with y[i], but how do I get to ssomewhere in 
    >> between -0.6 and 0.2?
    Jim> Hi Eric,

    Jim> There was a function "filter" in the ts package, but that package seems 
    Jim> to have disappeared. A Q&D function that would do what you want is:

Jim, where have you been? :-)
If you just type 'filter' in your R session you see it's still
there, namely in standard package 'stats' and this is the case
since R version 1.9.0 which is ages old measured in R-time....

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