BiodiversityR: crosstabanalysis – R documentation

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crosstabanalysis

Presence-absence Analysis by Cross Tabulation

Description

This function makes a cross-tabulation of two variables after transforming the first variable to presence-absence and then returns results of chisq.test.

Usage

crosstabanalysis(x,variable,factor)

Arguments

`x`	Data set that contains the variables "variable" and "factor".
`variable`	Variable to be transformed in presence-absence in the resulting cross-tabulation.
`factor`	Variable to be used for the cross-tabulation together with the transformed variable.

Value

The function returns the results of chisq.test on a crosstabulation of two variables, after transforming the first variable to presence-absence first.

Author(s)

Roeland Kindt

References

Kindt, R. & Coe, R. (2005) Tree diversity analysis: A manual and software for common statistical methods for ecological and biodiversity studies.

https://www.worldagroforestry.org/output/tree-diversity-analysis

Examples

library(vegan)
data(dune.env)
crosstabanalysis(dune.env,"Manure","Management")

BiodiversityR

Package for Community Ecology and Suitability Analysis

v2.13-1

GPL-3

Authors

Roeland Kindt [cre, aut] (<https://orcid.org/0000-0002-7672-0712>)

Initial release

2021-4-15