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From tillrohrmann <...@git.apache.org>
Date Thu, 21 Jan 2016 10:24:48 GMT
Github user tillrohrmann commented on a diff in the pull request:

--- Diff: docs/libs/ml/optimization.md ---
@@ -256,6 +271,79 @@ The full list of supported prediction functions can be found [here](#prediction-
</tbody>
</table>

+#### Effective Learning Rate ##
+
+Where:
+- $j$ is the iteration number
+- $\eta_j$ is the step size on step $j$
+- $\eta_0$ is the initial step size
+- $\lambda$ is the regularization constant
+- $k$ is the decay constant
--- End diff --

Where is decay explained?

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