binned_sum: Fast summing in different bins

In ffbase: Basic Statistical Functions for Package 'ff'

Description

binned_sum implements fast summing for given bins by calling c-code.

Usage

binned_sum(x, bin, nbins = max(bin), ...)

## Default S3 method:
binned_sum(x, bin, nbins = max(bin), ...)

## S3 method for class 'ff'
binned_sum(x, bin, nbins = max(bin), ...)

Arguments

x	numeric vector with the data to be summed
bin	integer vector with the bin number for each data point
nbins	integer maximum bin number
...	used by binned_sum.ff

Value

numeric matrix where each row is a bin

ffbase documentation built on Feb. 27, 2021, 5:06 p.m.