[mlpack-git] [mlpack/mlpack] DatasetMapper & Imputer (#694)

[Keon Kim]

> +   * Impute function searches through the input looking for mappedValue and
> +   * replaces it with the user-defined custom value of the given dimension.
> +   * The result is overwritten to the input, not creating any copy. Custom value
> +   * must be set when initializing the CustomImputation object.
> +   *
> +   * @param input Matrix that contains mappedValue.
> +   * @param mappedValue Value that the user wants to get rid of.
> +   * @param dimension Index of the dimension of the mappedValue.
> +   * @param columnMajor State of whether the input matrix is columnMajor or not.
> +   */
> +  void Impute(arma::Mat<T>& input,
> +              const T& mappedValue,
> +              const size_t dimension,
> +              const bool columnMajor = true)
> +  {
> +    // replace the target value to custom value

updated

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