doc/classes/BayesNet.src/M000021.html in bn4r-0.1.2 vs doc/classes/BayesNet.src/M000021.html in bn4r-0.9.0

- old
+ new

@@ -1,53 +1,23 @@ -<?xml version="1.0" encoding="iso-8859-1"?> -<!DOCTYPE html - PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" - "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> - -<html> -<head> - <title>create_from_xmlbif (BayesNet)</title> - <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> - <link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" /> -</head> -<body class="standalone-code"> - <pre><span class="ruby-comment cmt"># File lib/bn4r/bn_import.rb, line 26</span> -<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">create_from_xmlbif</span>(<span class="ruby-identifier">file</span>, <span class="ruby-identifier">bn</span>=<span class="ruby-keyword kw">self</span>) - <span class="ruby-identifier">doc</span> = <span class="ruby-constant">Document</span>.<span class="ruby-identifier">new</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">file</span>, <span class="ruby-value str">&quot;r&quot;</span>) - - <span class="ruby-comment cmt"># first go through and add the variables</span> - <span class="ruby-identifier">doc</span>.<span class="ruby-identifier">elements</span>.<span class="ruby-identifier">each</span>(<span class="ruby-value str">&quot;BIF/NETWORK/VARIABLE&quot;</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">variable</span><span class="ruby-operator">|</span> - - <span class="ruby-identifier">name</span> = <span class="ruby-identifier">variable</span>.<span class="ruby-identifier">elements</span>[<span class="ruby-value str">&quot;NAME&quot;</span>] - - <span class="ruby-identifier">outcomes</span> = [] - <span class="ruby-identifier">variable</span>.<span class="ruby-identifier">elements</span>.<span class="ruby-identifier">each</span>(<span class="ruby-value str">&quot;OUTCOME&quot;</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">outcome</span><span class="ruby-operator">|</span> - <span class="ruby-identifier">outcomes</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">outcome</span>.<span class="ruby-identifier">text</span> - } - <span class="ruby-comment cmt"># transform from text to boolean</span> - <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">outcomes</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">==</span> <span class="ruby-value">2</span> <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">outcomes</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-value str">&quot;true&quot;</span>) <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">outcomes</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-value str">&quot;false&quot;</span>) - <span class="ruby-identifier">outcomes</span> = <span class="ruby-identifier">outcomes</span>.<span class="ruby-identifier">collect</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">o</span><span class="ruby-operator">|</span> <span class="ruby-identifier">o</span> <span class="ruby-operator">==</span> <span class="ruby-value str">&quot;true&quot;</span>} - <span class="ruby-keyword kw">end</span> - <span class="ruby-identifier">node</span> = <span class="ruby-constant">BayesNetNode</span>.<span class="ruby-identifier">new</span>( <span class="ruby-identifier">name</span>.<span class="ruby-identifier">text</span>, <span class="ruby-identifier">outcomes</span> ) - <span class="ruby-identifier">bn</span>.<span class="ruby-identifier">add_vertex</span>(<span class="ruby-identifier">node</span>) - } - - <span class="ruby-comment cmt"># for each variable we list, we will look up </span> - <span class="ruby-comment cmt"># the conditional probability table for it.</span> - - <span class="ruby-identifier">doc</span>.<span class="ruby-identifier">elements</span>.<span class="ruby-identifier">each</span>(<span class="ruby-value str">&quot;BIF/NETWORK/DEFINITION/&quot;</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">definition</span><span class="ruby-operator">|</span> - <span class="ruby-identifier">node</span> = <span class="ruby-identifier">get_variable</span>( <span class="ruby-identifier">definition</span>.<span class="ruby-identifier">elements</span>[<span class="ruby-value str">&quot;FOR&quot;</span>].<span class="ruby-identifier">text</span> ) - <span class="ruby-identifier">givens_array</span> = [] - <span class="ruby-identifier">definition</span>.<span class="ruby-identifier">elements</span>.<span class="ruby-identifier">each</span>(<span class="ruby-value str">&quot;GIVEN&quot;</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">given</span><span class="ruby-operator">|</span> - <span class="ruby-identifier">givens_array</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">get_variable</span>( <span class="ruby-identifier">given</span>.<span class="ruby-identifier">text</span> ) - } - - <span class="ruby-identifier">table</span> = <span class="ruby-identifier">definition</span>.<span class="ruby-identifier">elements</span>[<span class="ruby-value str">&quot;TABLE&quot;</span>].<span class="ruby-identifier">text</span>.<span class="ruby-identifier">split</span> - - <span class="ruby-identifier">givens_array</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">g</span><span class="ruby-operator">|</span> <span class="ruby-identifier">bn</span>.<span class="ruby-identifier">add_edge</span>(<span class="ruby-identifier">g</span>, <span class="ruby-identifier">node</span>) } - - <span class="ruby-identifier">node</span>.<span class="ruby-identifier">set_probability_table</span>(<span class="ruby-identifier">givens_array</span>, <span class="ruby-identifier">table</span>) - } - <span class="ruby-identifier">bn</span> -<span class="ruby-keyword kw">end</span></pre> -</body> +<?xml version="1.0" encoding="iso-8859-1"?> +<!DOCTYPE html + PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> + +<html> +<head> + <title>nodes_ordered_by_dependencies (BayesNet)</title> + <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> + <link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" /> +</head> +<body class="standalone-code"> + <pre><span class="ruby-comment cmt"># File lib/bn4r/bn.rb, line 142</span> + <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">nodes_ordered_by_dependencies</span>(<span class="ruby-identifier">nodes</span> = <span class="ruby-identifier">vertices</span>, <span class="ruby-identifier">bn_ordered</span> = <span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>) + <span class="ruby-identifier">nodes</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">v</span><span class="ruby-operator">|</span> + <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">bn_ordered</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">v</span>) + <span class="ruby-identifier">nodes_ordered_by_dependencies</span>(<span class="ruby-identifier">v</span>.<span class="ruby-identifier">parents</span>, <span class="ruby-identifier">bn_ordered</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">v</span>.<span class="ruby-identifier">root?</span> + <span class="ruby-identifier">bn_ordered</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">v</span> + } + <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">bn_ordered</span>.<span class="ruby-identifier">flatten</span> + <span class="ruby-keyword kw">end</span></pre> +</body> </html> \ No newline at end of file