[R] sapply function and poisson distribution

[dimnik]

thank you for your answer.Yes,that sounds right.I thought the same thing
but the problem is how can i generalize the command for every vector of
numbers not only for the specific example?not only for c(1,2),c(0.1,0.8).

2015-01-04 0:45 GMT+00:00 Pete Brecknock [via R] <
ml-node+s789695n4701358h57 at n4.nabble.com>:

>  dimnik wrote
> i want to find  a function that takes in two vectors of numbers that have
> the same
> length.The output should be a list of vectors, where each vector is a
> sequence of
> randomly generated Poisson variables where the number of samples in each
> vector is determined by the entries in the first input vector and the
> lambdas come
> from the entries in the second input vector. For example, :If the inputs
> are c(1,2) and c(0.1,0.8) the output will be a list of twovectors where the
> first vectorhas a single sample from Poisson(0.1) and the second vector has
> two samples from Poisson(0.8).How can i do all that kind of stuff using
> sapply function?
> thank u in advance
>
> How about using mapply, the multivariate version of sapply?
>
> Based on your example ...
>
> mapply(function(x,y) rpois(x,y), c(1,2),c(0.1,0.8))
>
> HTH
>
> Pete
>
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