straightness() [2/3]

double MayaFlux::Kinesis::straightness ( std::span< const double >  samples, size_t  window  )

inlinenoexcept

Monotonicity of a window, 1.0 for a straight run in one direction.

Parameters

samples	Newest-first span
window	Number of samples, minimum 2

Returns

net_displacement / path_length, or 0 when the window is flat

A value that climbs or falls steadily scores near 1.0 regardless of how fast; one that wanders back and forth scores near 0.0.

Definition at line 861 of file Differential.hpp.

{
    const double len = path_length(samples, window);
    if (len < 1e-12)
        return 0.0;
    return net_displacement(samples, window) / len;
}

References net_displacement(), path_length(), and window.

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