R: MATLAB sum function

sum {matlab} | R Documentation

## MATLAB sum function

### Description

Provides sum of elements.

### Usage

    sum(x, na.rm=FALSE)

### Arguments

`x` | numeric or logical to be summed
`na.rm` | logical scalar. If `TRUE`, remove missing values

### Details

This is an S4 generic function.

### Value

Return value depends on argument `x`. If vector, returns the same as `sum`. If matrix, returns vector containing the sum of each column.

### Author(s)

P. Roebuck proebuck@mdanderson.org

### Examples

    sum(1:9)
    sum(matrix(1:9, 3, 3))

[Package matlab version 1.0.2 Index]