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<h1>Source code for pyspark.mllib.stat.test</h1><div class="highlight"><pre>
<span class="c">#</span>
<span class="c"># Licensed to the Apache Software Foundation (ASF) under one or more</span>
<span class="c"># contributor license agreements. See the NOTICE file distributed with</span>
<span class="c"># this work for additional information regarding copyright ownership.</span>
<span class="c"># The ASF licenses this file to You under the Apache License, Version 2.0</span>
<span class="c"># (the "License"); you may not use this file except in compliance with</span>
<span class="c"># the License. You may obtain a copy of the License at</span>
<span class="c">#</span>
<span class="c"># http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="c">#</span>
<span class="c"># Unless required by applicable law or agreed to in writing, software</span>
<span class="c"># distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="c"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="c"># See the License for the specific language governing permissions and</span>
<span class="c"># limitations under the License.</span>
<span class="c">#</span>
<span class="kn">from</span> <span class="nn">pyspark.mllib.common</span> <span class="kn">import</span> <span class="n">inherit_doc</span><span class="p">,</span> <span class="n">JavaModelWrapper</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s">"ChiSqTestResult"</span><span class="p">,</span> <span class="s">"KolmogorovSmirnovTestResult"</span><span class="p">]</span>
<span class="k">class</span> <span class="nc">TestResult</span><span class="p">(</span><span class="n">JavaModelWrapper</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Base class for all test results.</span>
<span class="sd"> """</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">pValue</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> The probability of obtaining a test statistic result at least as</span>
<span class="sd"> extreme as the one that was actually observed, assuming that the</span>
<span class="sd"> null hypothesis is true.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_java_model</span><span class="o">.</span><span class="n">pValue</span><span class="p">()</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">degreesOfFreedom</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns the degree(s) of freedom of the hypothesis test.</span>
<span class="sd"> Return type should be Number(e.g. Int, Double) or tuples of Numbers.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_java_model</span><span class="o">.</span><span class="n">degreesOfFreedom</span><span class="p">()</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">statistic</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Test statistic.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_java_model</span><span class="o">.</span><span class="n">statistic</span><span class="p">()</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">nullHypothesis</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Null hypothesis of the test.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_java_model</span><span class="o">.</span><span class="n">nullHypothesis</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_java_model</span><span class="o">.</span><span class="n">toString</span><span class="p">()</span>
<span class="nd">@inherit_doc</span>
<div class="viewcode-block" id="ChiSqTestResult"><a class="viewcode-back" href="../../../../pyspark.mllib.html#pyspark.mllib.stat.ChiSqTestResult">[docs]</a><span class="k">class</span> <span class="nc">ChiSqTestResult</span><span class="p">(</span><span class="n">TestResult</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Contains test results for the chi-squared hypothesis test.</span>
<span class="sd"> """</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">method</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Name of the test method</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_java_model</span><span class="o">.</span><span class="n">method</span><span class="p">()</span>
</div>
<span class="nd">@inherit_doc</span>
<span class="k">class</span> <span class="nc">KolmogorovSmirnovTestResult</span><span class="p">(</span><span class="n">TestResult</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Contains test results for the Kolmogorov-Smirnov test.</span>
<span class="sd"> """</span>
</pre></div>
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