R: Fast summing in different bins

binned_sum {ffbase} | R Documentation

## Fast summing in different bins

### 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

[Package ffbase version 0.13.1 Index]