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| <div class="section" id="defaultparamsreader"> |
| <h1>DefaultParamsReader<a class="headerlink" href="#defaultparamsreader" title="Permalink to this headline">¶</a></h1> |
| <dl class="py class"> |
| <dt id="pyspark.ml.util.DefaultParamsReader"> |
| <em class="property">class </em><code class="sig-prename descclassname">pyspark.ml.util.</code><code class="sig-name descname">DefaultParamsReader</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">cls</span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyspark/ml/util.html#DefaultParamsReader"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Specialization of <a class="reference internal" href="pyspark.ml.util.MLReader.html#pyspark.ml.util.MLReader" title="pyspark.ml.util.MLReader"><code class="xref py py-class docutils literal notranslate"><span class="pre">MLReader</span></code></a> for <code class="xref py py-class docutils literal notranslate"><span class="pre">Params</span></code> types</p> |
| <p>Default <a class="reference internal" href="pyspark.ml.util.MLReader.html#pyspark.ml.util.MLReader" title="pyspark.ml.util.MLReader"><code class="xref py py-class docutils literal notranslate"><span class="pre">MLReader</span></code></a> implementation for transformers and estimators that |
| contain basic (json-serializable) params and no data. This will not handle |
| more complex params or types with data (e.g., models with coefficients).</p> |
| <div class="versionadded"> |
| <p><span class="versionmodified added">New in version 2.3.0.</span></p> |
| </div> |
| <p class="rubric">Methods</p> |
| <table class="longtable table autosummary"> |
| <colgroup> |
| <col style="width: 10%" /> |
| <col style="width: 90%" /> |
| </colgroup> |
| <tbody> |
| <tr class="row-odd"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.getAndSetParams" title="pyspark.ml.util.DefaultParamsReader.getAndSetParams"><code class="xref py py-obj docutils literal notranslate"><span class="pre">getAndSetParams</span></code></a>(instance, metadata[, skipParams])</p></td> |
| <td><p>Extract Params from metadata, and set them in the instance.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.isPythonParamsInstance" title="pyspark.ml.util.DefaultParamsReader.isPythonParamsInstance"><code class="xref py py-obj docutils literal notranslate"><span class="pre">isPythonParamsInstance</span></code></a>(metadata)</p></td> |
| <td><p></p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.load" title="pyspark.ml.util.DefaultParamsReader.load"><code class="xref py py-obj docutils literal notranslate"><span class="pre">load</span></code></a>(path)</p></td> |
| <td><p>Load the ML instance from the input path.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.loadMetadata" title="pyspark.ml.util.DefaultParamsReader.loadMetadata"><code class="xref py py-obj docutils literal notranslate"><span class="pre">loadMetadata</span></code></a>(path, sc[, expectedClassName])</p></td> |
| <td><p>Load metadata saved using <a class="reference internal" href="pyspark.ml.util.DefaultParamsWriter.html#pyspark.ml.util.DefaultParamsWriter.saveMetadata" title="pyspark.ml.util.DefaultParamsWriter.saveMetadata"><code class="xref py py-meth docutils literal notranslate"><span class="pre">DefaultParamsWriter.saveMetadata()</span></code></a></p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.loadParamsInstance" title="pyspark.ml.util.DefaultParamsReader.loadParamsInstance"><code class="xref py py-obj docutils literal notranslate"><span class="pre">loadParamsInstance</span></code></a>(path, sc)</p></td> |
| <td><p>Load a <code class="xref py py-class docutils literal notranslate"><span class="pre">Params</span></code> instance from the given path, and return it.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.session" title="pyspark.ml.util.DefaultParamsReader.session"><code class="xref py py-obj docutils literal notranslate"><span class="pre">session</span></code></a>(sparkSession)</p></td> |
| <td><p>Sets the Spark Session to use for saving/loading.</p></td> |
| </tr> |
| </tbody> |
| </table> |
| <p class="rubric">Attributes</p> |
| <table class="longtable table autosummary"> |
| <colgroup> |
| <col style="width: 10%" /> |
| <col style="width: 90%" /> |
| </colgroup> |
| <tbody> |
| <tr class="row-odd"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.sc" title="pyspark.ml.util.DefaultParamsReader.sc"><code class="xref py py-obj docutils literal notranslate"><span class="pre">sc</span></code></a></p></td> |
| <td><p>Returns the underlying <cite>SparkContext</cite>.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="#pyspark.ml.util.DefaultParamsReader.sparkSession" title="pyspark.ml.util.DefaultParamsReader.sparkSession"><code class="xref py py-obj docutils literal notranslate"><span class="pre">sparkSession</span></code></a></p></td> |
| <td><p>Returns the user-specified Spark Session or the default.</p></td> |
| </tr> |
| </tbody> |
| </table> |
| <p class="rubric">Methods Documentation</p> |
| <dl class="py method"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.getAndSetParams"> |
| <em class="property">static </em><code class="sig-name descname">getAndSetParams</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">instance</span></em>, <em class="sig-param"><span class="n">metadata</span></em>, <em class="sig-param"><span class="n">skipParams</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyspark/ml/util.html#DefaultParamsReader.getAndSetParams"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.getAndSetParams" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Extract Params from metadata, and set them in the instance.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.isPythonParamsInstance"> |
| <em class="property">static </em><code class="sig-name descname">isPythonParamsInstance</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">metadata</span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyspark/ml/util.html#DefaultParamsReader.isPythonParamsInstance"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.isPythonParamsInstance" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="py method"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.load"> |
| <code class="sig-name descname">load</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">path</span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyspark/ml/util.html#DefaultParamsReader.load"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.load" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Load the ML instance from the input path.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.loadMetadata"> |
| <em class="property">static </em><code class="sig-name descname">loadMetadata</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">path</span></em>, <em class="sig-param"><span class="n">sc</span></em>, <em class="sig-param"><span class="n">expectedClassName</span><span class="o">=</span><span class="default_value">''</span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyspark/ml/util.html#DefaultParamsReader.loadMetadata"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.loadMetadata" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Load metadata saved using <a class="reference internal" href="pyspark.ml.util.DefaultParamsWriter.html#pyspark.ml.util.DefaultParamsWriter.saveMetadata" title="pyspark.ml.util.DefaultParamsWriter.saveMetadata"><code class="xref py py-meth docutils literal notranslate"><span class="pre">DefaultParamsWriter.saveMetadata()</span></code></a></p> |
| <dl class="field-list"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><dl> |
| <dt><strong>path</strong><span class="classifier">str</span></dt><dd></dd> |
| <dt><strong>sc</strong><span class="classifier"><a class="reference internal" href="pyspark.SparkContext.html#pyspark.SparkContext" title="pyspark.SparkContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">pyspark.SparkContext</span></code></a></span></dt><dd></dd> |
| <dt><strong>expectedClassName</strong><span class="classifier">str, optional</span></dt><dd><p>If non empty, this is checked against the loaded metadata.</p> |
| </dd> |
| </dl> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.loadParamsInstance"> |
| <em class="property">static </em><code class="sig-name descname">loadParamsInstance</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">path</span></em>, <em class="sig-param"><span class="n">sc</span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyspark/ml/util.html#DefaultParamsReader.loadParamsInstance"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.loadParamsInstance" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Load a <code class="xref py py-class docutils literal notranslate"><span class="pre">Params</span></code> instance from the given path, and return it. |
| This assumes the instance inherits from <a class="reference internal" href="pyspark.ml.util.MLReadable.html#pyspark.ml.util.MLReadable" title="pyspark.ml.util.MLReadable"><code class="xref py py-class docutils literal notranslate"><span class="pre">MLReadable</span></code></a>.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.session"> |
| <code class="sig-name descname">session</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">sparkSession</span></em><span class="sig-paren">)</span><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.session" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Sets the Spark Session to use for saving/loading.</p> |
| </dd></dl> |
| |
| <p class="rubric">Attributes Documentation</p> |
| <dl class="py attribute"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.sc"> |
| <code class="sig-name descname">sc</code><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.sc" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Returns the underlying <cite>SparkContext</cite>.</p> |
| </dd></dl> |
| |
| <dl class="py attribute"> |
| <dt id="pyspark.ml.util.DefaultParamsReader.sparkSession"> |
| <code class="sig-name descname">sparkSession</code><a class="headerlink" href="#pyspark.ml.util.DefaultParamsReader.sparkSession" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Returns the user-specified Spark Session or the default.</p> |
| </dd></dl> |
| |
| </dd></dl> |
| |
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