columnmean: Column mean matrix

In svdvisual: SVD visualization tools

Description

This function returns the column mean matrix of an input matrix

Usage

  columnmean(x)

Arguments

x	The input matrix. Make sure this is a matrix object

Details

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

Value

The column mean matrix

Author(s)

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

See Also

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

Examples

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

#calculate the column mean matrix
y<-columnmean(x);
y

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