phenability (version 2.0)

fox: Fox Function

Description

Performs a stability analysis based on the criteria of Fox et al. (1990), using the statistical "TOP third" only. In Fox function, a stratified ranking of the genotypes at each environment separately is done. The proportion of sites at which the genotype occurred in the top third are expressed in TOP output.

Usage

fox(data, interaction=FALSE)

Arguments

fox

fox function

data

A numeric data.frame with fenotypic means values of MET, and genotypes and environments by rows and columns, respectively.

interaction

do a interaction plot or not (FALSE = no interaction plot output, TRUE = draws a interaction plot between genotypes and environments).

Value

Is returned a list with numerical TOP ranking value by genotype, the ranking for the response variable in each environment, and the Spearman correlation matrix between environments.

References

Fox, P.N., B. Skovmand, B.K. Thompson, H.J. Braun, and R. Cormier. 1990. Yield and adaptation of hexaploid spring triticale. Euphytica 47:57.

Examples

require("phenability")
data(bean.data)
bean.data
x <- bean.data

fox(x, interaction=TRUE)