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PBA is a probability bound analysis library for Python that allows one to create and calculate with probability distributions, intervals, and probability boxes (p-boxes) within Python.

Probability distributions can be specified using pba.distname(**args) where distname is any of the named distributions that scipy.stats supports. For instance, pba.laplace(2,1) specifies a Laplace distribution with mean and variance 2. P-boxes can be created by using interval arguments for these distributions. Intervals can be created using pba.I(lo, hi) where lo and hi are expressions for the lower and upper limits of the interval.



Install pba by running

pip install pba

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If you are having issues or would like to help with development or have intersting use cases, please let us know. You can email


The project is licensed under the MIT License.

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pba-0.15.1.tar.gz (25.9 kB view hashes)

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