fix(stats): keep hidden Markov fitting alive on a single observation

Assisted-by: Qwen 3.8 Flash
2026-09-27 14:23:51 +02:00
parent 2764a18075
commit e507adeb64
3 changed files with 47 additions and 0 deletions
@@ -20,6 +20,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  longer exhausts its passes on a matrix it should have declared
  converged.

+**Statistics.**
+
+- `FitHiddenMarkovModel` fits a single-observation sequence instead of
+  crashing the process: a transition row with no evidence keeps its
+  previous estimate rather than dividing by zero.
+
 ## [1.0.0] - 2026-09-03

 The initial release of Tensor, a scientific computing library in pure