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Instead of sampling just 2 points, sample k points for some reasonable k as well as a uniformly random hyperplane h. Then, project all k points down to h. In 2d this would amount to points on a line. It's now trivial to find a second hyperplane h' perpendicular to h that splits the projected points and will in turn split the points in the original space. See the diagram below for a visual representation. This method should improve splits by making the splits more evenly distributed while still maintaining the nondeterminism to avoid trees replicating the same splits.
The text was updated successfully, but these errors were encountered:
Instead of sampling just 2 points, sample k points for some reasonable k as well as a uniformly random hyperplane h. Then, project all k points down to h. In 2d this would amount to points on a line. It's now trivial to find a second hyperplane h' perpendicular to h that splits the projected points and will in turn split the points in the original space. See the diagram below for a visual representation. This method should improve splits by making the splits more evenly distributed while still maintaining the nondeterminism to avoid trees replicating the same splits.
The text was updated successfully, but these errors were encountered: