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Unsupervised Learning: Difference between revisions
→EM Algorithm
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</math><br> | </math><br> | ||
<math> | <math> | ||
\implies \log\left[E_{Q}\left(\frac{Pr(x^{(i)}, z^{(i)}; \theta)}{Q^{(i)}_{(j)}\right)\right] \geq E_{Q} \left[ \log \left(\frac{Pr(x^{(i)}, q^{(i)}; \theta)}{Q^{(i)}(j)} \right)\right] | \implies \log\left[E_{Q}\left(\frac{Pr(x^{(i)}, z^{(i)}; \theta)}{Q^{(i)}_{(j)}}\right)\right] \geq E_{Q} \left[ \log \left(\frac{Pr(x^{(i)}, q^{(i)}; \theta)}{Q^{(i)}(j)} \right)\right] | ||
</math><br> | </math><br> | ||
; E-Step | ; E-Step | ||