R: Collapses a matrix by summing over rows

regroup {LearnBayes} | R Documentation

## Collapses a matrix by summing over rows

### Description

Collapses a matrix by summing over a specific number of rows

### Usage

    regroup(data,g)

### Arguments

`data` | a matrix
`g` | a positive integer beween 1 and the number of rows of data

### Value

reduced matrix found by summing over rows

### Author(s)

Jim Albert

### Examples

    data=matrix(c(1:20),nrow=4,ncol=5)
    g=2
    regroup(data,2)

[Package LearnBayes version 2.15 Index]