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| <div class="section" id="pyspark-pandas-dataframe-pivot-table"> |
| <h1>pyspark.pandas.DataFrame.pivot_table<a class="headerlink" href="#pyspark-pandas-dataframe-pivot-table" title="Permalink to this headline">¶</a></h1> |
| <dl class="py method"> |
| <dt id="pyspark.pandas.DataFrame.pivot_table"> |
| <code class="sig-prename descclassname">DataFrame.</code><code class="sig-name descname">pivot_table</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">values</span><span class="p">:</span> <span class="n">Union[Any, Tuple[Any, …], List[Union[Any, Tuple[Any, …]]], None]</span> <span class="o">=</span> <span class="default_value">None</span></em>, <em class="sig-param"><span class="n">index</span><span class="p">:</span> <span class="n">Optional[List[Union[Any, Tuple[Any, …]]]]</span> <span class="o">=</span> <span class="default_value">None</span></em>, <em class="sig-param"><span class="n">columns</span><span class="p">:</span> <span class="n">Union[Any, Tuple[Any, …], None]</span> <span class="o">=</span> <span class="default_value">None</span></em>, <em class="sig-param"><span class="n">aggfunc</span><span class="p">:</span> <span class="n">Union[str, Dict[Union[Any, Tuple[Any, …]], str]]</span> <span class="o">=</span> <span class="default_value">'mean'</span></em>, <em class="sig-param"><span class="n">fill_value</span><span class="p">:</span> <span class="n">Optional<span class="p">[</span>Any<span class="p">]</span></span> <span class="o">=</span> <span class="default_value">None</span></em><span class="sig-paren">)</span> → pyspark.pandas.frame.DataFrame<a class="reference internal" href="../../../_modules/pyspark/pandas/frame.html#DataFrame.pivot_table"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.pandas.DataFrame.pivot_table" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Create a spreadsheet-style pivot table as a DataFrame. The levels in |
| the pivot table will be stored in MultiIndex objects (hierarchical |
| indexes) on the index and columns of the result DataFrame.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><dl class="simple"> |
| <dt><strong>values</strong><span class="classifier">column to aggregate.</span></dt><dd><p>They should be either a list less than three or a string.</p> |
| </dd> |
| <dt><strong>index</strong><span class="classifier">column (string) or list of columns</span></dt><dd><p>If an array is passed, it must be the same length as the data. |
| The list should contain string.</p> |
| </dd> |
| <dt><strong>columns</strong><span class="classifier">column</span></dt><dd><p>Columns used in the pivot operation. Only one column is supported and |
| it should be a string.</p> |
| </dd> |
| <dt><strong>aggfunc</strong><span class="classifier">function (string), dict, default mean</span></dt><dd><p>If dict is passed, the key is column to aggregate and value |
| is function or list of functions.</p> |
| </dd> |
| <dt><strong>fill_value</strong><span class="classifier">scalar, default None</span></dt><dd><p>Value to replace missing values with.</p> |
| </dd> |
| </dl> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><dl class="simple"> |
| <dt><strong>table</strong><span class="classifier">DataFrame</span></dt><dd></dd> |
| </dl> |
| </dd> |
| </dl> |
| <p class="rubric">Examples</p> |
| <div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">df</span> <span class="o">=</span> <span class="n">ps</span><span class="o">.</span><span class="n">DataFrame</span><span class="p">({</span><span class="s2">"A"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"foo"</span><span class="p">,</span> <span class="s2">"foo"</span><span class="p">,</span> <span class="s2">"foo"</span><span class="p">,</span> <span class="s2">"foo"</span><span class="p">,</span> <span class="s2">"foo"</span><span class="p">,</span> |
| <span class="gp">... </span> <span class="s2">"bar"</span><span class="p">,</span> <span class="s2">"bar"</span><span class="p">,</span> <span class="s2">"bar"</span><span class="p">,</span> <span class="s2">"bar"</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="s2">"B"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"one"</span><span class="p">,</span> <span class="s2">"one"</span><span class="p">,</span> <span class="s2">"one"</span><span class="p">,</span> <span class="s2">"two"</span><span class="p">,</span> <span class="s2">"two"</span><span class="p">,</span> |
| <span class="gp">... </span> <span class="s2">"one"</span><span class="p">,</span> <span class="s2">"one"</span><span class="p">,</span> <span class="s2">"two"</span><span class="p">,</span> <span class="s2">"two"</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="s2">"C"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"small"</span><span class="p">,</span> <span class="s2">"large"</span><span class="p">,</span> <span class="s2">"large"</span><span class="p">,</span> <span class="s2">"small"</span><span class="p">,</span> |
| <span class="gp">... </span> <span class="s2">"small"</span><span class="p">,</span> <span class="s2">"large"</span><span class="p">,</span> <span class="s2">"small"</span><span class="p">,</span> <span class="s2">"small"</span><span class="p">,</span> |
| <span class="gp">... </span> <span class="s2">"large"</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="s2">"D"</span><span class="p">:</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">7</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="s2">"E"</span><span class="p">:</span> <span class="p">[</span><span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="mi">9</span><span class="p">,</span> <span class="mi">9</span><span class="p">]},</span> |
| <span class="gp">... </span> <span class="n">columns</span><span class="o">=</span><span class="p">[</span><span class="s1">'A'</span><span class="p">,</span> <span class="s1">'B'</span><span class="p">,</span> <span class="s1">'C'</span><span class="p">,</span> <span class="s1">'D'</span><span class="p">,</span> <span class="s1">'E'</span><span class="p">])</span> |
| <span class="gp">>>> </span><span class="n">df</span> |
| <span class="go"> A B C D E</span> |
| <span class="go">0 foo one small 1 2</span> |
| <span class="go">1 foo one large 2 4</span> |
| <span class="go">2 foo one large 2 5</span> |
| <span class="go">3 foo two small 3 5</span> |
| <span class="go">4 foo two small 3 6</span> |
| <span class="go">5 bar one large 4 6</span> |
| <span class="go">6 bar one small 5 8</span> |
| <span class="go">7 bar two small 6 9</span> |
| <span class="go">8 bar two large 7 9</span> |
| </pre></div> |
| </div> |
| <p>This first example aggregates values by taking the sum.</p> |
| <div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">table</span> <span class="o">=</span> <span class="n">df</span><span class="o">.</span><span class="n">pivot_table</span><span class="p">(</span><span class="n">values</span><span class="o">=</span><span class="s1">'D'</span><span class="p">,</span> <span class="n">index</span><span class="o">=</span><span class="p">[</span><span class="s1">'A'</span><span class="p">,</span> <span class="s1">'B'</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="n">columns</span><span class="o">=</span><span class="s1">'C'</span><span class="p">,</span> <span class="n">aggfunc</span><span class="o">=</span><span class="s1">'sum'</span><span class="p">)</span> |
| <span class="gp">>>> </span><span class="n">table</span><span class="o">.</span><span class="n">sort_index</span><span class="p">()</span> |
| <span class="go">C large small</span> |
| <span class="go">A B</span> |
| <span class="go">bar one 4.0 5</span> |
| <span class="go"> two 7.0 6</span> |
| <span class="go">foo one 4.0 1</span> |
| <span class="go"> two NaN 6</span> |
| </pre></div> |
| </div> |
| <p>We can also fill missing values using the <cite>fill_value</cite> parameter.</p> |
| <div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">table</span> <span class="o">=</span> <span class="n">df</span><span class="o">.</span><span class="n">pivot_table</span><span class="p">(</span><span class="n">values</span><span class="o">=</span><span class="s1">'D'</span><span class="p">,</span> <span class="n">index</span><span class="o">=</span><span class="p">[</span><span class="s1">'A'</span><span class="p">,</span> <span class="s1">'B'</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="n">columns</span><span class="o">=</span><span class="s1">'C'</span><span class="p">,</span> <span class="n">aggfunc</span><span class="o">=</span><span class="s1">'sum'</span><span class="p">,</span> <span class="n">fill_value</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span> |
| <span class="gp">>>> </span><span class="n">table</span><span class="o">.</span><span class="n">sort_index</span><span class="p">()</span> |
| <span class="go">C large small</span> |
| <span class="go">A B</span> |
| <span class="go">bar one 4 5</span> |
| <span class="go"> two 7 6</span> |
| <span class="go">foo one 4 1</span> |
| <span class="go"> two 0 6</span> |
| </pre></div> |
| </div> |
| <p>We can also calculate multiple types of aggregations for any given |
| value column.</p> |
| <div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">table</span> <span class="o">=</span> <span class="n">df</span><span class="o">.</span><span class="n">pivot_table</span><span class="p">(</span><span class="n">values</span><span class="o">=</span><span class="p">[</span><span class="s1">'D'</span><span class="p">],</span> <span class="n">index</span> <span class="o">=</span><span class="p">[</span><span class="s1">'C'</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="n">columns</span><span class="o">=</span><span class="s2">"A"</span><span class="p">,</span> <span class="n">aggfunc</span><span class="o">=</span><span class="p">{</span><span class="s1">'D'</span><span class="p">:</span> <span class="s1">'mean'</span><span class="p">})</span> |
| <span class="gp">>>> </span><span class="n">table</span><span class="o">.</span><span class="n">sort_index</span><span class="p">()</span> |
| <span class="go"> D</span> |
| <span class="go">A bar foo</span> |
| <span class="go">C</span> |
| <span class="go">large 5.5 2.000000</span> |
| <span class="go">small 5.5 2.333333</span> |
| </pre></div> |
| </div> |
| <p>The next example aggregates on multiple values.</p> |
| <div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">table</span> <span class="o">=</span> <span class="n">df</span><span class="o">.</span><span class="n">pivot_table</span><span class="p">(</span><span class="n">index</span><span class="o">=</span><span class="p">[</span><span class="s1">'C'</span><span class="p">],</span> <span class="n">columns</span><span class="o">=</span><span class="s2">"A"</span><span class="p">,</span> <span class="n">values</span><span class="o">=</span><span class="p">[</span><span class="s1">'D'</span><span class="p">,</span> <span class="s1">'E'</span><span class="p">],</span> |
| <span class="gp">... </span> <span class="n">aggfunc</span><span class="o">=</span><span class="p">{</span><span class="s1">'D'</span><span class="p">:</span> <span class="s1">'mean'</span><span class="p">,</span> <span class="s1">'E'</span><span class="p">:</span> <span class="s1">'sum'</span><span class="p">})</span> |
| <span class="gp">>>> </span><span class="n">table</span><span class="o">.</span><span class="n">sort_index</span><span class="p">()</span> |
| <span class="go"> D E</span> |
| <span class="go">A bar foo bar foo</span> |
| <span class="go">C</span> |
| <span class="go">large 5.5 2.000000 15 9</span> |
| <span class="go">small 5.5 2.333333 17 13</span> |
| </pre></div> |
| </div> |
| </dd></dl> |
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