margin.table {base}R Documentation

Compute table margin

Description

Compute the sum of table entries over a given index.

Usage

margin.table(x, margin)

Arguments

x an array
margin index number (1 for rows, etc.)

Details

This is really just apply(x,margin,sum) packaged up for newbies.

Value

The relevant marginal table.

Author(s)

Peter Dalgaard

Examples

m<-matrix(1:4,2)
margin.table(m,1)
margin.table(m,2)

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