| Home | Libraries | People | FAQ | More

## Struct template with_density_weighted_median_impl

boost::accumulators::impl::with_density_weighted_median_impl — Median estimation for weighted samples based on the density estimator.

## Synopsis

    template<typename Sample>
    struct with_density_weighted_median_impl {
      // types
      typedef numeric::functional::average< Sample, std::size_t >::result_type float_type;
      typedef std::vector< std::pair< float_type, float_type > >               histogram_type;
      typedef iterator_range< typename histogram_type::iterator >              range_type;
      typedef float_type                                                       result_type;

      // construct/copy/destruct
      template<typename Args> with_density_weighted_median_impl(Args const &);

      // public member functions
      void operator()(dont_care) ;
      template<typename Args> result_type result(Args const &) const;
    };

## Description

The algorithm determines the bin in which the -th sample lies, being the total number of samples. It returns the approximate horizontal position of this sample, based on a linear interpolation inside the bin.

### `with_density_weighted_median_impl` public construct/copy/destruct

1.     template<typename Args> with_density_weighted_median_impl(Args const & args);

### `with_density_weighted_median_impl` public member functions

1.     void operator()(dont_care) ;

2.     template<typename Args> result_type result(Args const & args) const;