svdvisual (version 1.1)

overallmean: Global mean matrix

Description

This function returns the global mean matrix of an input matrix

Usage

overallmean(x)

Arguments

x

The input matrix. Make sure this is a matrix object

Value

The overall mean matrix

Details

This function calculates the mean of all cells within the input matrix. If the matrix has dimension m x n, this function will return a m x n matrix, where each cell has the same result, as the average of the mn elements in the corresponding input matrix.

See Also

See Also in svd, apply, columnmean, doublemean, rowmean.

Examples

#generate a random matrix
x<-matrix(rnorm(100), nrow=20);

#calculate the row mean matrix
y<-overallmean(x);
y