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* Chnages in 0.3.0.0:
* Drop usage of `random-source` in favor of `random`
* Changes in 0.2.7.7: Update to random-1.2. Revert 0.2.7.6 changes (which added an extra constraint to `Data.Random.Sample.sampleState` and `Data.Random.Sample.sampleStateT`).
* Changes in 0.2.7.4: Compatibility with ghc 8.8.
* Changes in 0.2.7.3: Remove dependence on log-domain. Raise lower bound for base to 4.9.
* Changes in 0.2.7.1: Add PDF instance for Poisson.
* Changes in 0.2.7.0: Add Simplex, fix logBetaPdf, fix binomialPdf and
binomialCdf to actually use the numerically stable method!
* Changes in 2.6.1: now supports probability density functions and log
probability density functions via the PDF class, similar to R and
initially just for the Beta, Binomial, Normal and Uniform
distributions. The log Binomial probability density function uses
*Fast and Accurate Computation of Binomial Probabilities* by
Catherine Loader (this is what is implemented in R and Octave) to
minimize the occurrence of underflow.
* Changes in 0.2.4.0: Added a Lift instance that resolves a common
overlapping-instance issue in user code.
* Changes in 0.2.3.1: Should now build on GHC 7.6
* Changes in 0.2.3.0: Added stretched exponential distribution,
contributed by Ben Gamari.
* Changes in 0.2.2.0: Bug fixes in
Data.Random.Distribution.Categorical.
* Changes in 0.2.1.1: Changed some one-field data types to newtypes,
updated types for GHC 7.4's removal of Eq and Show from the context
of Num, and added RVarT versions of random variables in
Data.Random.List
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