EVOLUTION-MANAGER
Edit File: rock.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: Measurements on Petroleum Rock Samples</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 rock {datasets}"><tr><td>rock {datasets}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Measurements on Petroleum Rock Samples</h2> <h3>Description</h3> <p>Measurements on 48 rock samples from a petroleum reservoir.</p> <h3>Usage</h3> <pre>rock</pre> <h3>Format</h3> <p>A data frame with 48 rows and 4 numeric columns. </p> <table summary="Rd table"> <tr> <td style="text-align: right;"> [,1] </td><td style="text-align: left;"> area </td><td style="text-align: left;"> area of pores space, in pixels out of 256 by 256 </td> </tr> <tr> <td style="text-align: right;"> [,2] </td><td style="text-align: left;"> peri </td><td style="text-align: left;"> perimeter in pixels </td> </tr> <tr> <td style="text-align: right;"> [,3] </td><td style="text-align: left;"> shape </td><td style="text-align: left;"> perimeter/sqrt(area) </td> </tr> <tr> <td style="text-align: right;"> [,4] </td><td style="text-align: left;"> perm </td><td style="text-align: left;"> permeability in milli-Darcies </td> </tr> </table> <h3>Details</h3> <p>Twelve core samples from petroleum reservoirs were sampled by 4 cross-sections. Each core sample was measured for permeability, and each cross-section has total area of pores, total perimeter of pores, and shape. </p> <h3>Source</h3> <p>Data from BP Research, image analysis by Ronit Katz, U. Oxford. </p> <hr /><div style="text-align: center;">[Package <em>datasets</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>