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TreeBoost - Stochastic Gradient Boosting

TreeBoost - Stochastic Gradient Boosting.

"Boosting" is a technique for improving the accuracy of a predictive
function by applying the function repeatedly in a series and combining
the output of each function with weighting so that the total error of
the prediction is minimized. In many cases, the predictive accuracy of
such a series greatly exceeds the accuracy of the base function used
alone.

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