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The ade4 Package - NexTag Supports Open Source Initiatives

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156 meaudret<br />

meaudret<br />

Ecological Data : sites-variables, sites-species, where and when<br />

Description<br />

This data set contains information about sites, environmental variables and species (Trichopters).<br />

Usage<br />

data(meaudret)<br />

Format<br />

meaudret is a list of 3 components.<br />

mil is a data frame with 20 sites and 9 variables.<br />

fau is a data frame with 20 sites and 13 species (Trichopters).<br />

plan is a data frame with 20 sites and 2 factors.<br />

dat is a factor with 4 levels.<br />

sta is a factor with 5 levels.<br />

<strong>Source</strong><br />

Pegaz-Maucet, D. (1980) Impact d’une perturbation d’origine organique sur la dérive des macroinvertébérés<br />

benthiques d’un cours d’eau. Comparaison avec le benthos. Thèse de troisième cycle,<br />

Université Lyon 1, 130 p.<br />

Examples<br />

data(meaudret)<br />

par(mfrow = c(2,2))<br />

pca1

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