ade4 (version 1.01)

butterfly: Genetics-Ecology-Environment Triple

Description

This data set contains environmental and genetics informations about 16 Euphydryas editha butterfly colonies studied in California and Oregon

Usage

data(butterfly)

format

butterfly is a list with 4 objects.

1. xy

{is a data frame with the two coordinates of the 16 Euphydryas editha butterfly colonies. } envir{is a environmental data frame of 16 sites - 4 variables. } genet{is a genetics data frame of 16 sites - 6 allele frequencies. } contour{is a data frame for background map (California map). }

source

McKechnie, S.W., Ehrlich, P.R. and White, R.R. (1975) Population genetics of Euphydryas butterflies. I. Genetic variation and the neutrality hypothesis. Genetics, 81, 571--594. Manly, B.F. (1994) Multivariate Statistical Methods. A primer. Second edition. Chapman & Hall, London. 1--215.

Examples

library(mva)
data(butterfly)
par(mfrow = c(2,2))
s.label(butterfly$xy, contour = butterfly$contour, inc = FALSE)
table.dist(dist(butterfly$xy), labels = row.names(butterfly$xy)) # depends of mva
s.value(butterfly$xy, dudi.pca(butterfly$envir, scan = FALSE)$li[,1], 
    contour = butterfly$contour, inc = FALSE, csi = 3)
plot(mantel.randtest(dist(butterfly$xy), dist(butterfly$gen), 99),
    main = "genetic/spatial")
par(mfrow = c(1,1))