spatial: anova.trls – R documentation

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anova.trls

Anova tables for fitted trend surface objects

Description

Compute analysis of variance tables for one or more fitted trend surface model objects; where anova.trls is called with multiple objects, it passes on the arguments to anovalist.trls.

Usage

## S3 method for class 'trls'
anova(object, ...)
anovalist.trls(object, ...)

Arguments

`object`	A fitted trend surface model object from `surf.ls`
`...`	Further objects of the same kind

Value

anova.trls and anovalist.trls return objects corresponding to their printed tabular output.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

Examples

library(stats)
data(topo, package="MASS")
topo0 <- surf.ls(0, topo)
topo1 <- surf.ls(1, topo)
topo2 <- surf.ls(2, topo)
topo3 <- surf.ls(3, topo)
topo4 <- surf.ls(4, topo)
anova(topo0, topo1, topo2, topo3, topo4)
summary(topo4)

spatial

Functions for Kriging and Point Pattern Analysis

v7.3-14

GPL-2 | GPL-3

Authors

Brian Ripley [aut, cre, cph], Roger Bivand [ctb], William Venables [cph]

Initial release

2021-04-17