[Numpy-discussion] Random int64 and float64 numbers

David Cournapeau david@ar.media.kyoto-u.ac...
Sun Nov 1 22:04:08 CST 2009

josef.pktd@gmail.com wrote:
> No, it wouldn't be a proper distribution. However in Bayesian analysis
> it is used as an improper (diffuse) prior

Ah, right - I wonder how this is handled rigorously, though. I know some
basics of Bayesian statistics, but I don't much about Bayesian
statistics from a theoretical POV (i.e. a rigorous mathematical

> To simulate huge uniform integers, I think it should be possible to use
> the floating point random numbers and rescale and round them.

Rescaling and especially rounding may bias the distribution, no ? The
best (but long term) strategy would be to support arbitrary precision
integer, as mentioned by Robert.


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