[SciPy-user] probability tools in scipy
Robert Kern
robert.kern@gmail....
Tue Mar 6 15:40:05 CST 2007
Thomas Nelson wrote:
> I'm looking for a function something like:
>
> normalcdf(lo,hi,mu,sigma)
> that returns the probability that
> lo < X < hi
> where X is a normal random variable with mean = mu and standard deviation
> = sigma. Is there something like this, or a tool to make something like
> this, in scipy? I looked at the scipy.stats.distributions module, but as
> far as I can tell that seems to be more of a random number generator. Am
> I correct about this? does scipy have something like the functionality
> I'm looking for?
from scipy import stats
stats.norm.cdf(hi, mu, sigma) - stats.norm.cdf(lo, mu, sigma)
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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