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

Ryan Curtin notifications at github.com
Thu Jul 7 10:22:38 EDT 2016


> +        //"IncrementPolicy");
> +  }
> +
> +  /**
> +  * Given an input dataset, replace missing values with given imputation
> +  * strategy.
> +  *
> +  * @param input Input dataset to apply imputation.
> +  * @param output Armadillo matrix to save the results
> +  * @oaran missingValue User defined missing value; it can be anything.
> +  * @param dimension Dimension to apply the imputation.
> +  */
> +  void Impute(const arma::Mat<T>& input,
> +              arma::Mat<T>& output,
> +              const std::string& missingValue,
> +              const size_t dimension)

I think that many times the user will want to impute without copying the matrix; this will especially make a difference when the matrix is large.  Should we also provide an overload with just one matrix that will be modified?

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