Description Usage Arguments Value Examples
bin_prop
calculates the proportion of looks (samples) to each
interest area in a particular window of time (bin size). This function first
checks to see if the procedure is possible given the sampling rate and
desired bin size. It then performs the calculation and downsampling, returning
new columns corresponding to each interest area ID (e.g., 'IA_1_C', 'IA_1_P').
The extention '_C' indicates the count of samples in the bin and the
extension '_P' indicates the proportion. N.B.: This function will work for
data with a maximum of 8 interest areas.
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data 
A data table object output by 
NoIA 
A positive integer indicating the number of interest areas defined when creating the study. 
BinSize 
A positive integer indicating the size of the binning window (in milliseconds). 
SamplingRate 
A positive integer indicating the sampling rate (in Hertz)
used to record the gaze data, which can be determined with the function

A data table with additional columns (the number of which depends on
the number of interest areas specified) added to data
.
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