EVOLUTION-MANAGER
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<!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: Level 5 fractional factorial designs</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 FFdes {mgcv}"><tr><td>FFdes {mgcv}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Level 5 fractional factorial designs</h2> <h3>Description</h3> <p>Computes level 5 fractional factorial designs for up to 120 factors using the agorithm of Sanchez and Sanchez (2005), and optionally central composite designs. </p> <h3>Usage</h3> <pre> FFdes(size=5,ccd=FALSE) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>size</code></td> <td> <p>number of factors up to 120.</p> </td></tr> <tr valign="top"><td><code>ccd</code></td> <td> <p>if <code>TRUE</code>, adds points along each axis at the same distance from the origin as the points in the fractional factorial design, to create the outer points of a central composite design. Add central points to complete.</p> </td></tr> </table> <h3>Details</h3> <p>Basically a translation of the code provided in the appendix of Sanchez and Sanchez (2005). </p> <h3>Author(s)</h3> <p> Simon N. Wood <a href="mailto:simon.wood@r-project.org">simon.wood@r-project.org</a></p> <h3>References</h3> <p>Sanchez, S. M. & Sanchez, P. J. (2005) Very large fractional factorial and central composite designs. ACM Transactions on Modeling and Computer Simulation. 15: 362-377 </p> <h3>Examples</h3> <pre> require(mgcv) plot(rbind(0,FFdes(2,TRUE)),xlab="x",ylab="y", col=c(2,1,1,1,1,4,4,4,4),pch=19,main="CCD") FFdes(5) FFdes(5,TRUE) </pre> <hr /><div style="text-align: center;">[Package <em>mgcv</em> version 1.8-28 <a href="00Index.html">Index</a>]</div> </body></html>