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DOC corrected relation of V-measure to normalized mutual information.

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1 parent a494b30 commit 0c7a06b7ad52608f1b39e7359b247d1074b5393a @amueller amueller committed May 5, 2012
Showing with 2 additions and 2 deletions.
  1. +2 −2 doc/modules/clustering.rst
@@ -766,8 +766,8 @@ Their harmonic mean called **V-measure** is computed by
>>> metrics.v_measure_score(labels_true, labels_pred) # doctest: +ELLIPSIS
0.51...
-The V-measure is actually equivalent to the normalized mutual information (NMI)
-discussed above [B2011]_.
+The V-measure is actually equivalent to the mutual information (NMI)
+discussed above normalized by the sum of the label entropies [B2011]_.
Homogeneity, completensess and V-measure can be computed at once using
:func:`homogeneity_completeness_v_measure` as follows::

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