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<title>Frame — SystemDS 3.3.0-dev documentation</title>
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<li class="toctree-l1"><a class="reference internal" href="../../context/systemds_context.html">SystemDSContext</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">Frame</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#systemds.operator.Frame"><code class="docutils literal notranslate"><span class="pre">Frame</span></code></a><ul>
<li class="toctree-l3"><a class="reference internal" href="#systemds.operator.Frame.__init__"><code class="docutils literal notranslate"><span class="pre">Frame.__init__()</span></code></a></li>
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<section id="frame">
<h1>Frame<a class="headerlink" href="#frame" title="Link to this heading"></a></h1>
<p>A <code class="docutils literal notranslate"><span class="pre">Frame</span></code> is represented either by an <code class="docutils literal notranslate"><span class="pre">OperationNode</span></code>, or the derived class <code class="docutils literal notranslate"><span class="pre">Frame</span></code>.</p>
<p>Although it is possible to generate matrices with the function calls or object construction specified below,
the recommended way is to use the methods defined on <code class="docutils literal notranslate"><span class="pre">SystemDSContext</span></code>, to read in a frame from disk.</p>
<dl class="py class">
<dt class="sig sig-object py" id="systemds.operator.Frame">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">systemds.operator.</span></span><span class="sig-name descname"><span class="pre">Frame</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sds_context</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../context/systemds_context.html#systemds.context.SystemDSContext" title="systemds.context.SystemDSContext"><span class="pre">SystemDSContext</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">operation</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">unnamed_input_nodes</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">Iterable</span><span class="p"><span class="pre">[</span></span><a class="reference internal" href="../../script_building/dag.html#systemds.script_building.dag.DAGNode" title="systemds.script_building.dag.DAGNode"><span class="pre">DAGNode</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">float</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">bool</span><span class="p"><span class="pre">]</span></span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">named_input_nodes</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><a class="reference internal" href="../../script_building/dag.html#systemds.script_building.dag.DAGNode" title="systemds.script_building.dag.DAGNode"><span class="pre">DAGNode</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">float</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">bool</span><span class="p"><span class="pre">]</span></span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">local_data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">DataFrame</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">brackets</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#systemds.operator.Frame" title="Link to this definition"></a></dt>
<dd><dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.__init__">
<span class="sig-name descname"><span class="pre">__init__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sds_context</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../context/systemds_context.html#systemds.context.SystemDSContext" title="systemds.context.SystemDSContext"><span class="pre">SystemDSContext</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">operation</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">unnamed_input_nodes</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">Iterable</span><span class="p"><span class="pre">[</span></span><a class="reference internal" href="../../script_building/dag.html#systemds.script_building.dag.DAGNode" title="systemds.script_building.dag.DAGNode"><span class="pre">DAGNode</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">float</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">bool</span><span class="p"><span class="pre">]</span></span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">named_input_nodes</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><a class="reference internal" href="../../script_building/dag.html#systemds.script_building.dag.DAGNode" title="systemds.script_building.dag.DAGNode"><span class="pre">DAGNode</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">float</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">bool</span><span class="p"><span class="pre">]</span></span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">local_data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">DataFrame</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">brackets</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="#systemds.operator.Frame" title="systemds.operator.Frame"><span class="pre">Frame</span></a></span></span><a class="headerlink" href="#systemds.operator.Frame.__init__" title="Link to this definition"></a></dt>
<dd><p>Create general <cite>OperationNode</cite></p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>sds_context</strong> – The SystemDS context for performing the operations</p></li>
<li><p><strong>operation</strong> – The name of the DML function to execute</p></li>
<li><p><strong>unnamed_input_nodes</strong> – inputs identified by their position, not name</p></li>
<li><p><strong>named_input_nodes</strong> – inputs with their respective parameter name</p></li>
<li><p><strong>is_python_local_data</strong> – if the data is local in python e.g. Numpy arrays
that this operation node returns multiple values. If set remember to set the output_types value as well.</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.cbind">
<span class="sig-name descname"><span class="pre">cbind</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">other</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="#systemds.operator.Frame" title="systemds.operator.nodes.frame.Frame"><span class="pre">Frame</span></a></span></span><a class="headerlink" href="#systemds.operator.Frame.cbind" title="Link to this definition"></a></dt>
<dd><p>Column-wise frame concatenation, by concatenating the second frame as additional columns to the first frame.
:param: The other frame to bind to the right hand side.
:return: The Frame containing the concatenated frames.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.code_line">
<span class="sig-name descname"><span class="pre">code_line</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">var_name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">unnamed_input_vars</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Sequence</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">named_input_vars</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">str</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#systemds.operator.Frame.code_line" title="Link to this definition"></a></dt>
<dd><p>Generates the DML code line equal to the intended action of this node.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>var_name</strong> – Name of DML-variable this nodes result should be saved in</p></li>
<li><p><strong>unnamed_input_vars</strong> – all strings representing the unnamed parameters</p></li>
<li><p><strong>named_input_vars</strong> – all strings representing the named parameters (name value pairs)</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>the DML code line that is equal to this operation</p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.compute">
<span class="sig-name descname"><span class="pre">compute</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">verbose</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">lineage</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">DataFrame</span></span></span><a class="headerlink" href="#systemds.operator.Frame.compute" title="Link to this definition"></a></dt>
<dd><p>Get result of this operation. Builds the dml script and executes it in SystemDS, before this method is called
all operations are only building the DAG without actually executing (lazy evaluation).</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>verbose</strong> – Can be activated to print additional information such as created DML-Script</p></li>
<li><p><strong>lineage</strong> – Can be activated to print lineage trace till this node</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>the output as an python builtin data type or numpy array</p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.pass_python_data_to_prepared_script">
<span class="sig-name descname"><span class="pre">pass_python_data_to_prepared_script</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sds</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">prepared_script</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">JavaObject</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">None</span></span></span><a class="headerlink" href="#systemds.operator.Frame.pass_python_data_to_prepared_script" title="Link to this definition"></a></dt>
<dd><p>Passes data from python to the prepared script object.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>jvm</strong> – the java virtual machine object</p></li>
<li><p><strong>var_name</strong> – the variable name the data should get in java</p></li>
<li><p><strong>prepared_script</strong> – the prepared script</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.rbind">
<span class="sig-name descname"><span class="pre">rbind</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">other</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="#systemds.operator.Frame" title="systemds.operator.nodes.frame.Frame"><span class="pre">Frame</span></a></span></span><a class="headerlink" href="#systemds.operator.Frame.rbind" title="Link to this definition"></a></dt>
<dd><p>Row-wise frame concatenation, by concatenating the second frame as additional rows to the first frame.
:param: The other frame to bind to the right hand side
:return: The OperationNode containing the concatenated frames.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.replace">
<span class="sig-name descname"><span class="pre">replace</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pattern</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">replacement</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="#systemds.operator.Frame" title="systemds.operator.nodes.frame.Frame"><span class="pre">Frame</span></a></span></span><a class="headerlink" href="#systemds.operator.Frame.replace" title="Link to this definition"></a></dt>
<dd><p>Replace all instances of string with replacement string
:param: pattern the string to replace
:param: replacement the string to replace with
:return: The Frame containing the replaced values</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="systemds.operator.Frame.to_string">
<span class="sig-name descname"><span class="pre">to_string</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><a class="reference internal" href="../../script_building/dag.html#systemds.script_building.dag.DAGNode" title="systemds.script_building.dag.DAGNode"><span class="pre">DAGNode</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">float</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">bool</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="scalar.html#systemds.operator.Scalar" title="systemds.operator.Scalar"><span class="pre">Scalar</span></a></span></span><a class="headerlink" href="#systemds.operator.Frame.to_string" title="Link to this definition"></a></dt>
<dd><p>Converts the input to a string representation.
:return: <cite>Scalar</cite> containing the string.</p>
</dd></dl>
</dd></dl>
</section>
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