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Edit File: Strauss.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: Simulates Strauss Spatial Point Process</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 Strauss {spatial}"><tr><td>Strauss {spatial}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2> Simulates Strauss Spatial Point Process </h2> <h3>Description</h3> <p>Simulates Strauss spatial point process. </p> <h3>Usage</h3> <pre> Strauss(n, c=0, r) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>n</code></td> <td> <p>number of points </p> </td></tr> <tr valign="top"><td><code>c</code></td> <td> <p>parameter <code>c</code> in <i>[0, 1]</i>. <code>c = 0</code> corresponds to complete inhibition at distances up to <code>r</code>. </p> </td></tr> <tr valign="top"><td><code>r</code></td> <td> <p>inhibition distance </p> </td></tr></table> <h3>Details</h3> <p>Uses spatial birth-and-death process for 4<code>n</code> steps, or for 40<code>n</code> steps starting from a binomial pattern on the first call from an other function. Uses the region set by <code>ppinit</code> or <code>ppregion</code>. </p> <h3>Value</h3> <p>list of vectors of <i>x</i> and <i>y</i> coordinates </p> <h3>Side Effects</h3> <p>uses the random number generator </p> <h3>References</h3> <p>Ripley, B. D. (1981) <em>Spatial Statistics.</em> Wiley. </p> <p>Venables, W. N. and Ripley, B. D. (2002) <em>Modern Applied Statistics with S.</em> Fourth edition. Springer. </p> <h3>See Also</h3> <p><code><a href="Psim.html">Psim</a></code>, <code><a href="SSI.html">SSI</a></code> </p> <h3>Examples</h3> <pre> towns <- ppinit("towns.dat") par(pty="s") plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)") lines(Kaver(10, 25, Strauss(69,0.5,3.5))) </pre> <hr /><div style="text-align: center;">[Package <em>spatial</em> version 7.3-11 <a href="00Index.html">Index</a>]</div> </body></html>