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| <h1 title="Package" class="title">Package com.yahoo.sketches.pig.theta</h1> |
| <div class="docSummary"> |
| <div class="block">The theta package contains all the sketch classes that are members of the |
| <a href="../../../../../resources/dictionary.html#thetaSketch">Theta Sketch Framework</a>.</div> |
| </div> |
| <p>See: <a href="#package.description">Description</a></p> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
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| <tbody> |
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| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/AexcludeB.html" title="class in com.yahoo.sketches.pig.theta">AexcludeB</a></td> |
| <td class="colLast"> |
| <div class="block">This is a Pig UDF that performs the A-NOT-B Set Operation on two given Sketches.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/DataToSketch.html" title="class in com.yahoo.sketches.pig.theta">DataToSketch</a></td> |
| <td class="colLast"> |
| <div class="block">This is a Pig UDF that builds Sketches from data.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/DataToSketch.Initial.html" title="class in com.yahoo.sketches.pig.theta">DataToSketch.Initial</a></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the initial pass of an Algebraic sketch operation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/DataToSketch.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.theta">DataToSketch.IntermediateFinal</a></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the intermediate or final combiner pass of an <i>Algebraic</i> sketch |
| operation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/ErrorBounds.html" title="class in com.yahoo.sketches.pig.theta">ErrorBounds</a></td> |
| <td class="colLast"> |
| <div class="block">This is a User Defined Function (UDF) for returning the Double value result along with a lower and |
| upper bound.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Estimate.html" title="class in com.yahoo.sketches.pig.theta">Estimate</a></td> |
| <td class="colLast"> |
| <div class="block">Returns the unique count estimate of a sketch as a Double.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Intersect.html" title="class in com.yahoo.sketches.pig.theta">Intersect</a></td> |
| <td class="colLast"> |
| <div class="block">This is a Pig UDF that performs the Intersection Set Operation on Sketches.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Intersect.Initial.html" title="class in com.yahoo.sketches.pig.theta">Intersect.Initial</a></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the initial pass of an Algebraic sketch operation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Intersect.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.theta">Intersect.IntermediateFinal</a></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the intermediate or final combiner pass of an <i>Algebraic</i> intersection |
| operation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/SketchToString.html" title="class in com.yahoo.sketches.pig.theta">SketchToString</a></td> |
| <td class="colLast"> |
| <div class="block">This is a User Defined Function (UDF) for "pretty printing" the summary of a sketch |
| from a Sketch Tuple.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Union.html" title="class in com.yahoo.sketches.pig.theta">Union</a></td> |
| <td class="colLast"> |
| <div class="block">This is a Pig UDF that performs the Union Set Operation on Sketches.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Union.Initial.html" title="class in com.yahoo.sketches.pig.theta">Union.Initial</a></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the initial pass of an Algebraic sketch operation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/theta/Union.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.theta">Union.IntermediateFinal</a></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the intermediate or final combiner pass of an <i>Algebraic</i> union |
| operation.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package.description"> |
| <!-- --> |
| </a> |
| <h2 title="Package com.yahoo.sketches.pig.theta Description">Package com.yahoo.sketches.pig.theta Description</h2> |
| <div class="block"><p>The theta package contains all the sketch classes that are members of the |
| <a href="../../../../../resources/dictionary.html#thetaSketch">Theta Sketch Framework</a>. |
| The basic sketching functionality in this package is also |
| accessible from Hadoop Pig UDFs found in the <i>sketches-pig</i> repository, |
| and from Hadoop Hive UADFs and UDFs found in the <i>sketches-hive</i> repository. |
| </p></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Lee Rhodes</dd> |
| </dl> |
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