pymovements.gaze.transforms_pl.pos2acc

pymovements.gaze.transforms_pl.pos2acc(*, sampling_rate: float, window_length: int, degree: int, padding: str | float | int | None = 'nearest') → pl.Expr

Compute acceleration data from positional data.

The method which is used for calculation is savitzky_golay().

Parameters:

• sampling_rate – Sampling rate of input time series.

• degree – The degree of the polynomial to use.

• window_length – The window size to use.

• padding – The padding to use.