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## Struct template non_coherent_weighted_tail_mean_impl

boost::accumulators::impl::non_coherent_weighted_tail_mean_impl — Estimation of the (non-coherent) weighted tail mean based on order statistics (for both left and right tails)

## Synopsis

    // In header: <boost/accumulators/statistics_fwd.hpp>

    template<typename Sample, typename Weight, typename LeftRight>
    struct non_coherent_weighted_tail_mean_impl : public accumulator_base {
      // construct/copy/destruct
      non_coherent_weighted_tail_mean_impl(dont_care);

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

## Description

An estimation of the non-coherent, weighted tail mean is given by the weighted mean of the

Equation 1.38.

smallest samples (left tail) or the weighted mean of the

Equation 1.39.

largest samples (right tail) above a quantile of level , being the total number of sample and the sum of all weights:

Equation 1.40.

Equation 1.41.

### `non_coherent_weighted_tail_mean_impl` public construct/copy/destruct

1.     non_coherent_weighted_tail_mean_impl(dont_care);

### `non_coherent_weighted_tail_mean_impl` public member functions

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