EVOLUTION-MANAGER
Edit File: farms.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Ecological Factors in Farm Management</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for farms {MASS}"><tr><td>farms {MASS}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2> Ecological Factors in Farm Management </h2> <h3>Description</h3> <p>The <code>farms</code> data frame has 20 rows and 4 columns. The rows are farms on the Dutch island of Terschelling and the columns are factors describing the management of grassland. </p> <h3>Usage</h3> <pre> farms </pre> <h3>Format</h3> <p>This data frame contains the following columns: </p> <dl> <dt><code>Mois</code></dt><dd> <p>Five levels of soil moisture – level 3 does not occur at these 20 farms. </p> </dd> <dt><code>Manag</code></dt><dd> <p>Grassland management type (<code>SF</code> = standard, <code>BF</code> = biological, <code>HF</code> = hobby farming, <code>NM</code> = nature conservation). </p> </dd> <dt><code>Use</code></dt><dd> <p>Grassland use (<code>U1</code> = hay production, <code>U2</code> = intermediate, <code>U3</code> = grazing). </p> </dd> <dt><code>Manure</code></dt><dd> <p>Manure usage – classes <code>C0</code> to <code>C4</code>. </p> </dd> </dl> <h3>Source</h3> <p>J.C. Gower and D.J. Hand (1996) <em>Biplots</em>. Chapman & Hall, Table 4.6. </p> <p>Quoted as from:<br /> R.H.G. Jongman, C.J.F. ter Braak and O.F.R. van Tongeren (1987) <em>Data Analysis in Community and Landscape Ecology.</em> PUDOC, Wageningen. </p> <h3>References</h3> <p>Venables, W. N. and Ripley, B. D. (2002) <em>Modern Applied Statistics with S.</em> Fourth edition. Springer. </p> <h3>Examples</h3> <pre> farms.mca <- mca(farms, abbrev = TRUE) # Use levels as names eqscplot(farms.mca$cs, type = "n") text(farms.mca$rs, cex = 0.7) text(farms.mca$cs, labels = dimnames(farms.mca$cs)[[1]], cex = 0.7) </pre> <hr /><div style="text-align: center;">[Package <em>MASS</em> version 7.3-51.4 <a href="00Index.html">Index</a>]</div> </body></html>