bwss.matrix {limma} | R Documentation |

## Between and within sums of squares for matrix

### Description

Sums of squares between and within the columns of a matrix. Allows for missing values. This function is called by the `anova`

method for `MAList`

objects.

### Usage

bwss.matrix(x)

### Arguments

### Details

This is equivalent to a one-way analysis of variance where the columns of the matrix are the groups.
If `x`

is a matrix then `bwss.matrix(x)`

is the same as `bwss(x,col(x))`

except for speed of execution.

### Value

A list with components

`bss` |
sums of squares between the column means. |

`wss` |
sums of squares within the column means. |

`bdf` |
degrees of freedom corresponding to `bss` . |

`wdf` |
degrees of freedom corresponding to `wss` . |

### Author(s)

Gordon Smyth

### See Also

`bwss`

, `anova.MAList`

[Package

*limma* version 2.4.7

Index]