[Rd] reproducing Box-Muller numbers
Tue, 22 Feb 2000 16:18:02 -0500
>I'll make a call to set.seed clear the saved value. That's all we intend to
>be reproducible, setting the state by set.seed.
I'm not sure what you mean by this. Are you suggesting that setting
.Random.seed directly is not intended to give reproducible results? I presume
not, but if so, then set.seed needs better control over the seed (i.e. vector
>> Also, could "user-supplied" be added as an option for normal.kind in RNGkind.
>> I'm sure the Box-Muller in R is better than my own attempt, but I would like
>> be able to reproduce results I've obtained in the past.
>Not very easily, and we are in feature freeze for 1.0.0 now, so not before
>1.1.0. It would be easy to patch in your own version, but the
>difficulty is to add all the protection needed for user-supplied code.
When are you expecting 1.1.0? I can easily patch the version used by my library,
but for obvious reasons I would prefer not to post a library that does this. A
very large number of my code tests do not work if I cannot reproduce previous
rnorm random numbers.
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