EVOLUTION-MANAGER
Edit File: Soybean.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: Growth of soybean plants</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 Soybean {nlme}"><tr><td>Soybean {nlme}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Growth of soybean plants</h2> <h3>Description</h3> <p>The <code>Soybean</code> data frame has 412 rows and 5 columns. </p> <h3>Format</h3> <p>This data frame contains the following columns: </p> <dl> <dt>Plot</dt><dd> <p>a factor giving a unique identifier for each plot. </p> </dd> <dt>Variety</dt><dd> <p>a factor indicating the variety; Forrest (F) or Plant Introduction \#416937 (P). </p> </dd> <dt>Year</dt><dd> <p>a factor indicating the year the plot was planted. </p> </dd> <dt>Time</dt><dd> <p>a numeric vector giving the time the sample was taken (days after planting). </p> </dd> <dt>weight</dt><dd> <p>a numeric vector giving the average leaf weight per plant (g). </p> </dd> </dl> <h3>Details</h3> <p>These data are described in Davidian and Giltinan (1995, 1.1.3, p.7) as “Data from an experiment to compare growth patterns of two genotypes of soybeans: Plant Introduction \#416937 (P), an experimental strain, and Forrest (F), a commercial variety.” </p> <h3>Source</h3> <p>Pinheiro, J. C. and Bates, D. M. (2000), <em>Mixed-Effects Models in S and S-PLUS</em>, Springer, New York. (Appendix A.27) </p> <p>Davidian, M. and Giltinan, D. M. (1995), <em>Nonlinear Models for Repeated Measurement Data</em>, Chapman and Hall, London. </p> <h3>Examples</h3> <pre> summary(fm1 <- nlsList(SSlogis, data = Soybean)) </pre> <hr /><div style="text-align: center;">[Package <em>nlme</em> version 3.1-139 <a href="00Index.html">Index</a>]</div> </body></html>