If 'intervals.set.out' is 'NULL' a set of intervals with additional
columns representing summary statistics for each percentile and interval.
Arguments
expr
track expression
intervals
set of intervals
iterator
track expression iterator. If 'NULL' iterator is determined
implicitly based on track expression.
band
track expression band. If 'NULL' no band is used.
intervals.set.out
intervals set name where the function result is
optionally outputted
Details
This function returns summary statistics of a track expression for each
interval 'intervals': total number of bins, total number of bins whose value
is NaN, min, max, sum, mean and standard deviation of the values.
If 'intervals.set.out' is not 'NULL' the result is saved as an intervals
set. Use this parameter if the result size exceeds the limits of the
physical memory.