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Commit 2d38784a authored by Amir MOHAMMADI's avatar Amir MOHAMMADI
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mention what is T in GMM statistics

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...@@ -267,6 +267,7 @@ properties in :py:class:`bob.learn.em.GMMStats`: ...@@ -267,6 +267,7 @@ properties in :py:class:`bob.learn.em.GMMStats`:
- Eq (10) is :py:class:`bob.learn.em.GMMStats.sum_pxx`: - Eq (10) is :py:class:`bob.learn.em.GMMStats.sum_pxx`:
:math:`E_c(x^2)=\frac{1}{n(c)}\sum\limits_{t=1}^T Pr(c | x_t)x_t^2` :math:`E_c(x^2)=\frac{1}{n(c)}\sum\limits_{t=1}^T Pr(c | x_t)x_t^2`
where :math:`T` is the number of samples used to generate the stats.
The snippet bellow shows how to compute accumulated these statistics given a The snippet bellow shows how to compute accumulated these statistics given a
prior GMM. prior GMM.
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