This function detrends pupil data by fitting a linear model
of pupil_data ~ time
, and returning the fitted betas and the residuals
(pupil_data - fitted_values
).
This function is called by the exposed wrapper detrend()
.
detrend_pupil(x, prev_op)
A list containing the fitted values, coefficients, and residuals
A data frame containing pupil data with columns time_secs
and
the previous operation's pupil column
The name of the previous operation's pupil column