DOC add explanation of n_jobs in permutation_importance
@@ -75,7 +75,8 @@ def permutation_importance(estimator, X, y, *, scoring=None, n_repeats=5,
Number of times to permute a feature.
n_jobs : int or None, default=None
- The number of jobs to use for the computation.
+ Number of jobs to run in parallel. The computation is done by computing
+ permutation score for each columns and parallelized over the columns.
`None` means 1 unless in a :obj:`joblib.parallel_backend` context.
`-1` means using all processors. See :term:`Glossary <n_jobs>`
for more details.
