[R] random sampling vector from any dsitribution

Kairos2012 lucie.salwiczek at zooplus.de
Tue Dec 18 10:07:46 CET 2012


Hi,

help is very much appreciated. Thanks in advance!!!

rgamma(...)
As far as I know with this function (code) one can randomly sample 100
numbers simultanously.

Question is: is it possible to sample 100 random numbers e.g. from 100
different gamma distributions using only one command line (or: using only
one function)?

One idea how this could look like:
rgamma(1:100, shape=c(s1,s2,...,s100), rate=c(r1,r2,...,r100))

What I do not know: is it correct to assume that effectively only ONE random
number (with the respective paramateres  s1<>s2<>...<>s100 und
r1<>r2<>...<>r100) has been drawn from 1 gamma distribution (out of 100
various gamma distributions) ?

Thanks again for any thoughts and advice!
Merry Christmas!




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