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| <h1 title="Package" class="title">Package org.apache.beam.sdk.extensions.zetasketch</h1> |
| <div class="docSummary"> |
| <div class="block"><code>PTransform</code>s to compute statistical sketches on data streams based on the <a |
| href="https://github.com/google/zetasketch">ZetaSketch</a> implementation.</div> |
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| <p>See: <a href="#package.description">Description</a></p> |
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| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
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| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/ApproximateCountDistinct.html" title="class in org.apache.beam.sdk.extensions.zetasketch">ApproximateCountDistinct</a></td> |
| <td class="colLast"> |
| <div class="block"><code>PTransform</code>s for estimating the number of distinct elements in a <code>PCollection</code>, or |
| the number of distinct values associated with each key in a <code>PCollection</code> of <code>KV</code>s.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/ApproximateCountDistinct.Globally.html" title="class in org.apache.beam.sdk.extensions.zetasketch">ApproximateCountDistinct.Globally</a><T></td> |
| <td class="colLast"> |
| <div class="block"><code>PTransform</code> for estimating the number of distinct elements in a <code>PCollection</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/ApproximateCountDistinct.Globally.Builder.html" title="class in org.apache.beam.sdk.extensions.zetasketch">ApproximateCountDistinct.Globally.Builder</a><T></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/ApproximateCountDistinct.PerKey.html" title="class in org.apache.beam.sdk.extensions.zetasketch">ApproximateCountDistinct.PerKey</a><K,V></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/ApproximateCountDistinct.PerKey.Builder.html" title="class in org.apache.beam.sdk.extensions.zetasketch">ApproximateCountDistinct.PerKey.Builder</a><K,V></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/HllCount.html" title="class in org.apache.beam.sdk.extensions.zetasketch">HllCount</a></td> |
| <td class="colLast"> |
| <div class="block"><code>PTransform</code>s to compute HyperLogLogPlusPlus (HLL++) sketches on data streams based on the |
| <a href="https://github.com/google/zetasketch">ZetaSketch</a> implementation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/HllCount.Extract.html" title="class in org.apache.beam.sdk.extensions.zetasketch">HllCount.Extract</a></td> |
| <td class="colLast"> |
| <div class="block">Provides <code>PTransform</code>s to extract the estimated count of distinct elements (as <code>Long</code>s) from each HLL++ sketch.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/HllCount.Init.html" title="class in org.apache.beam.sdk.extensions.zetasketch">HllCount.Init</a></td> |
| <td class="colLast"> |
| <div class="block">Provides <code>PTransform</code>s to aggregate inputs into HLL++ sketches.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/HllCount.Init.Builder.html" title="class in org.apache.beam.sdk.extensions.zetasketch">HllCount.Init.Builder</a><InputT></td> |
| <td class="colLast"> |
| <div class="block">Builder for the <code>HllCount.Init</code> combining <code>PTransform</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/beam/sdk/extensions/zetasketch/HllCount.MergePartial.html" title="class in org.apache.beam.sdk.extensions.zetasketch">HllCount.MergePartial</a></td> |
| <td class="colLast"> |
| <div class="block">Provides <code>PTransform</code>s to merge HLL++ sketches into a new sketch.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package.description"> |
| <!-- --> |
| </a> |
| <h2 title="Package org.apache.beam.sdk.extensions.zetasketch Description">Package org.apache.beam.sdk.extensions.zetasketch Description</h2> |
| <div class="block"><code>PTransform</code>s to compute statistical sketches on data streams based on the <a |
| href="https://github.com/google/zetasketch">ZetaSketch</a> implementation.</div> |
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