lrTest {MAST} | R Documentation

## Run a likelihood-ratio test

### Description

Compares the change in likelihood between the current model and one subject to contrasts tested in `hypothesis`. `hypothesis` can be one of a `character` giving complete factors or terms to be dropped from the model, `CoefficientHypothesis` giving names of coefficients to be dropped, `Hypothesis` giving contrasts using the symbolically, or a contrast `matrix`, with one row for each coefficient in the full model, and one column for each contrast being tested.

### Usage

    lrTest(object, hypothesis)

### Arguments

`object` | LMlike or subclass
`hypothesis` | the hypothesis to be tested. See details.

### Value

array giving test statistics

### See Also

fit

waldTest

Hypothesis

CoefficientHypothesis

### Examples

    #see ZlmFit-class for examples
    example('ZlmFit-class')

[Package MAST version 1.10.0 Index]