1 <?xml version="1.0" encoding="iso-8859-1"?>
3 PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
4 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
6 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
8 <title>Class: Population</title>
9 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
10 <meta http-equiv="Content-Script-Type" content="text/javascript" />
11 <link rel="stylesheet" href=".././rdoc-style.css" type="text/css" media="screen" />
12 <script type="text/javascript">
15 function popupCode( url ) {
16 window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400")
19 function toggleCode( id ) {
20 if ( document.getElementById )
21 elem = document.getElementById( id );
22 else if ( document.all )
23 elem = eval( "document.all." + id );
27 elemStyle = elem.style;
29 if ( elemStyle.display != "block" ) {
30 elemStyle.display = "block"
32 elemStyle.display = "none"
38 // Make codeblocks hidden by default
39 document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" )
49 <div id="classHeader">
50 <table class="header-table">
51 <tr class="top-aligned-row">
52 <td><strong>Class</strong></td>
53 <td class="class-name-in-header">Population</td>
55 <tr class="top-aligned-row">
56 <td><strong>In:</strong></td>
58 <a href="../files/src/selection_rb.html">
62 <a href="../files/lib/libgenetics_rb.html">
69 <tr class="top-aligned-row">
70 <td><strong>Parent:</strong></td>
77 <!-- banner header -->
79 <div id="bodyContent">
83 <div id="contextContent">
85 <div id="description">
87 A population of genomes
95 <div id="method-list">
96 <h3 class="section-bar">Methods</h3>
98 <div class="name-list">
99 <a href="#M000019">crossover</a>
100 <a href="#M000021">make_next_generation</a>
101 <a href="#M000020">mutation</a>
102 <a href="#M000018">new</a>
103 <a href="#M000016">tournament_select_one</a>
104 <a href="#M000017">tournament_select_population</a>
119 <div id="attribute-list">
120 <h3 class="section-bar">Attributes</h3>
122 <div class="name-list">
124 <tr class="top-aligned-row context-row">
125 <td class="context-item-name">individuals</td>
126 <td class="context-item-value"> [RW] </td>
127 <td class="context-item-desc"></td>
135 <!-- if method_list -->
137 <h3 class="section-bar">Public Class methods</h3>
139 <div id="method-M000018" class="method-detail">
140 <a name="M000018"></a>
142 <div class="method-heading">
143 <a href="Population.src/M000018.html" target="Code" class="method-signature"
144 onclick="popupCode('Population.src/M000018.html');return false;">
145 <span class="method-name">new</span><span class="method-args">(population_size, genome_length)</span>
149 <div class="method-description">
151 Create a population of a given size
156 <h3 class="section-bar">Public Instance methods</h3>
158 <div id="method-M000019" class="method-detail">
159 <a name="M000019"></a>
161 <div class="method-heading">
162 <a href="Population.src/M000019.html" target="Code" class="method-signature"
163 onclick="popupCode('Population.src/M000019.html');return false;">
164 <span class="method-name">crossover</span><span class="method-args">(crossover_rate)</span>
168 <div class="method-description">
170 Perform the <a href="Population.html#M000019">crossover</a> step in a
171 population, giving a <a href="Population.html#M000018">new</a> population
176 <div id="method-M000021" class="method-detail">
177 <a name="M000021"></a>
179 <div class="method-heading">
180 <a href="Population.src/M000021.html" target="Code" class="method-signature"
181 onclick="popupCode('Population.src/M000021.html');return false;">
182 <span class="method-name">make_next_generation</span><span class="method-args">(tournament_winner_success_rate = 0.8, game_length = 1000, crossover_rate = 0.7, mutation_rate = 0.05)</span>
186 <div class="method-description">
190 <div id="method-M000020" class="method-detail">
191 <a name="M000020"></a>
193 <div class="method-heading">
194 <a href="Population.src/M000020.html" target="Code" class="method-signature"
195 onclick="popupCode('Population.src/M000020.html');return false;">
196 <span class="method-name">mutation</span><span class="method-args">(mutation_rate)</span>
200 <div class="method-description">
202 Perform the <a href="Population.html#M000020">mutation</a> step in a
203 population, giving a <a href="Population.html#M000018">new</a> population
208 <div id="method-M000016" class="method-detail">
209 <a name="M000016"></a>
211 <div class="method-heading">
212 <a href="Population.src/M000016.html" target="Code" class="method-signature"
213 onclick="popupCode('Population.src/M000016.html');return false;">
214 <span class="method-name">tournament_select_one</span><span class="method-args">(winner_success_chance = 0.8, max_game_length= 1000, verbose = false)</span>
218 <div class="method-description">
220 Use tournament selection to pick an individual for the next generation
225 <div id="method-M000017" class="method-detail">
226 <a name="M000017"></a>
228 <div class="method-heading">
229 <a href="Population.src/M000017.html" target="Code" class="method-signature"
230 onclick="popupCode('Population.src/M000017.html');return false;">
231 <span class="method-name">tournament_select_population</span><span class="method-args">(winner_success_chance = 0.8, max_game_length = 1000, verbose = false)</span>
235 <div class="method-description">
237 Select a <a href="Population.html#M000018">new</a> population the same size
238 as the current population
250 <div id="validator-badges">
251 <p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>