Transforms

Transformations

center_origin	Center pixel data.
downsample	Downsample gaze data by an integer factor.
norm	Take the norm of a 2D series.
pix2deg	Convert pixel screen coordinates to degrees of visual angle.
deg2pix	Convert degrees of visual angle to pixel screen coordinates.
pos2acc	Compute acceleration data from positional data.
pos2vel	Compute velocitiy data from positional data.
savitzky_golay	Apply a 1-D Savitzky-Golay filter to a column|_|:cite:p:SavitzkyGolay1964.

Segmentation Methods

events2segmentation	Convert a list of events to a binary segmentation expression.
events2timeratio	Create an expression to calculate time-based event ratio.
segmentation2events	Convert a binary segmentation map to a list of events.

Numpy Transformations

pix2deg	Convert pixel screen coordinates to degrees of visual angle.
pos2acc	Compute velocity time series from 2-dimensional position time series.
pos2vel	Compute velocity time series from 2-dimensional position time series.
norm	Take the norm of an array.
split	Split sequence into subsequences of equal length.
downsample	Downsamples array by integer factor.
consecutive	Split array into groups of consecutive numbers.