overallmean: Global mean matrix

In svdvisual: SVD visualization tools

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

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.

Value

The overall mean matrix

Author(s)

Yao Wang ([e-mail]); Lingsong Zhang ([e-mail])

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

svdvisual documentation built on May 2, 2019, 4:15 a.m.