<p>In <a href="https://github.com/mlpack/mlpack/pull/683#discussion_r66453905">src/mlpack/methods/edge_boxes/edge_boxes_main.cpp</a>:</p>
<pre style='color:#555'>> + fraction: fraction of features to use to train each tree
> + n_tree: number of trees in forest to train
> + n_class: number of classes (clusters) for binary splits
> + min_count: minimum number of data points to allow split
> + min_child: minimum number of data points allowed at child nodes
> + max_depth: maximum depth of tree
> + split: options include 'gini', 'entropy' and 'twoing'
> + discretize: optional function mapping structured to class labels
> +
> + stride: stride at which to compute edges
> + sharpen: sharpening amount (can only decrease after training)
> + n_tree_eval: number of trees to evaluate per location
> + nms: if true apply non-maximum suppression to edges
> + */
> +
> + map<string, int> options;
</pre>
<p>Is it possible to change the value it to size_t?</p>
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