compute_cv_statistic()

std::vector< double > MayaFlux::Yantra::compute_cv_statistic	(	std::span< const double >	data,
		const size_t	num_windows,
		const uint32_t	hop_size,
		const uint32_t	window_size,
		bool	sample_variance
	)

Compute CV (Coefficient of Variation) statistic using zero-copy processing.

Definition at line 789 of file AnalysisHelper.cpp.

{
    auto mean_vals = compute_mean_statistic(data, num_windows, hop_size, window_size);
    auto std_vals = compute_std_dev_statistic(data, num_windows, hop_size, window_size, sample_variance);
 
    std::vector<double> cv_values(num_windows);
    std::transform(std::execution::par_unseq, mean_vals.begin(), mean_vals.end(), std_vals.begin(), cv_values.begin(),
        [](double mean, double std_dev) {
            return (std::abs(mean) > 1e-15) ? std_dev / mean : 0.0;
        });
 
    return cv_values;
}

References compute_cv_statistic(), compute_mean_statistic(), compute_std_dev_statistic(), MayaFlux::mean(), and MayaFlux::std_dev().

Referenced by compute_cv_statistic(), and MayaFlux::Yantra::StatisticalAnalyzer< InputType, OutputType >::compute_statistical_values().

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