<p>In <a href="https://github.com/mlpack/mlpack/pull/726#discussion_r73700844">src/mlpack/core/tree/binary_space_tree/rp_tree_max_split_impl.hpp</a>:</p>
<pre style='color:#555'>> + arma::uvec& distinctSamples,
> + const size_t begin,
> + const size_t count,
> + const size_t numSamples)
> +{
> + arma::Col<size_t> samples;
> +
> + samples.zeros(count);
> +
> + for (size_t i = 0; i < numSamples; i++)
> + samples [ (size_t) math::RandInt(count) ]++;
> +
> + distinctSamples = arma::find(samples > 0);
> +
> + distinctSamples += begin;
> +}
</pre>
<p>Ok, no worries, maybe I need to take better notes on my thoughts. :)</p>
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