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Weibull returns NaN from pdf/cdf/sf/ln_pdf for finite shape and scale

Status: Open.

#465 In statrs-dev/statrs;

· DRMacIver opened on Sep 2, 2026

InverseGamma::inverse_cdf returns the wrong quantile at shape 151

Status: Open.

#464 In statrs-dev/statrs;

· DRMacIver opened on Sep 2, 2026

NegativeBinomial::pmf(0) is NaN when p is 1

Status: Open.

#463 In statrs-dev/statrs;

· DRMacIver opened on Sep 2, 2026

FisherSnedecor::cdf and sf do not sum to 1 for a small first degree of freedom

Status: Open.

#462 In statrs-dev/statrs;

· DRMacIver opened on Sep 2, 2026

Sampling a Gumbel returns NaN for every parameter pair

Status: Open.

#461 In statrs-dev/statrs;

· DRMacIver opened on Sep 2, 2026

Categorical has poorly defiend behavior when some events are 0 probability

Status: Open.

#459 In statrs-dev/statrs;

· YeungOnion opened on Aug 26, 2026

pdf loses the tail in several distributions that exponentiate before dividing

Status: Open.

#453 In statrs-dev/statrs;

· teddytennant opened on Aug 24, 2026

bug: Binomial::entropy returns Some(0.0) at n = u64::MAX, and panics on a debug build

Status: Open.

#449 In statrs-dev/statrs;

· FBruzzesi opened on Aug 21, 2026

Special functions and libm compatibility

Status: Open.

#440 In statrs-dev/statrs;

· YeungOnion opened on Aug 11, 2026

bug: inv_beta_reg panics, does not return, and is non-monotone for small x

Status: Open.

#435 In statrs-dev/statrs;

· FBruzzesi opened on Aug 9, 2026

Implementing Kolmogorov Smirnov Distribution and Test

Status: Open.

#405 In statrs-dev/statrs;

· AshrafIbrahim03 opened on Jul 21, 2026

no_std migration

Status: Open.

#400 In statrs-dev/statrs;

· day01 opened on Jul 20, 2026