Analyses time spent in each area

the totals int he data frame do not correspond to the total row, as the NA data are omited.

analyse_fixation_areas(obj, areas = list())

Arguments

obj	EyerObject
areas	list of AreaObject. Only necessary if the areas haven't been added previously with the add_area_column. If areas are present, the column is recalculated.

Value

data.frame with calculated information

Details

returns summative data froma with columns: area, n, duration, duration.na, ratio