<p>In <a href="https://github.com/mlpack/mlpack/pull/523#discussion_r59445405">src/mlpack/core/util/split_data.hpp</a>:</p>
<pre style='color:#555'>> + }
> + slice = value;
> + }
> +
> + void TestRatio(double value)
> + {
> + testRatio = value;
> + }
> + double TestRatio() const
> + {
> + return testRatio;
> + }
> +
> +private:
> + arma::arma_rng::seed_type seed;
> + size_t slice;
</pre>
<p>I guess we can remove this member and related functions if we are not aiming to support cubes?</p>
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