<p>In <a href="https://github.com/mlpack/mlpack/pull/749#discussion_r74688619">src/mlpack/methods/lsh_model/lshmodel_impl.hpp</a>:</p>
<pre style='color:#555'>> +template <typename SortPolicy, typename ObjectiveFunction>
> +void LSHModel<SortPolicy, ObjectiveFunction>::Train(
> + const arma::mat &referenceSet,
> + const double sampleRate,
> + const size_t k)
> +{
> + // Sanity check - sample rate must be in (0, 1].
> + if (sampleRate > 1 || sampleRate <= 0)
> + Log::Fatal << "Sampling rate must be floating point number in (0, 1]"
> + << std::endl;
> +
> + // Update the object's max K value information.
> + maxKValue = k;
> +
> + // Save pointer to training set.
> + this->referenceSet = &referenceSet;
</pre>
<p>Don't forget to update <code>ownsSet</code> here, and possibly delete the old reference set first.</p>
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