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The following commit(s) were added to refs/heads/master by this push: new f7d87b1 [SPARK-25997][ML] add Python example code for Power Iteration Clustering in spark.ml f7d87b1 is described below commit f7d87b1685eeac3a2c8b903ddb86e1921fcc193c Author: Huaxin Gao <huax...@us.ibm.com> AuthorDate: Thu Jan 31 19:33:44 2019 -0600 [SPARK-25997][ML] add Python example code for Power Iteration Clustering in spark.ml ## What changes were proposed in this pull request? Add python example for Power Iteration Clustering in spark.ml ## How was this patch tested? Manually tested Closes #22996 from huaxingao/spark-25997. Authored-by: Huaxin Gao <huax...@us.ibm.com> Signed-off-by: Sean Owen <sean.o...@databricks.com> --- docs/ml-clustering.md | 6 +++ .../ml/power_iteration_clustering_example.py | 49 ++++++++++++++++++++++ 2 files changed, 55 insertions(+) diff --git a/docs/ml-clustering.md b/docs/ml-clustering.md index 65f2652..21e38ca 100644 --- a/docs/ml-clustering.md +++ b/docs/ml-clustering.md @@ -298,6 +298,12 @@ Refer to the [Java API docs](api/java/org/apache/spark/ml/clustering/PowerIterat {% include_example java/org/apache/spark/examples/ml/JavaPowerIterationClusteringExample.java %} </div> +<div data-lang="python" markdown="1"> +Refer to the [Python API docs](api/python/pyspark.ml.html#pyspark.ml.clustering.PowerIterationClustering) for more details. + +{% include_example python/ml/power_iteration_clustering_example.py %} +</div> + <div data-lang="r" markdown="1"> Refer to the [R API docs](api/R/spark.powerIterationClustering.html) for more details. diff --git a/examples/src/main/python/ml/power_iteration_clustering_example.py b/examples/src/main/python/ml/power_iteration_clustering_example.py new file mode 100644 index 0000000..c983c4a --- /dev/null +++ b/examples/src/main/python/ml/power_iteration_clustering_example.py @@ -0,0 +1,49 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +""" +An example demonstrating PowerIterationClustering. +Run with: + bin/spark-submit examples/src/main/python/ml/power_iteration_clustering_example.py +""" +# $example on$ +from pyspark.ml.clustering import PowerIterationClustering +# $example off$ +from pyspark.sql import SparkSession + +if __name__ == "__main__": + spark = SparkSession\ + .builder\ + .appName("PowerIterationClusteringExample")\ + .getOrCreate() + + # $example on$ + df = spark.createDataFrame([ + (0, 1, 1.0), + (0, 2, 1.0), + (1, 2, 1.0), + (3, 4, 1.0), + (4, 0, 0.1) + ], ["src", "dst", "weight"]) + + pic = PowerIterationClustering(k=2, maxIter=20, initMode="degree", weightCol="weight") + + # Shows the cluster assignment + pic.assignClusters(df).show() + # $example off$ + + spark.stop() --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@spark.apache.org For additional commands, e-mail: commits-h...@spark.apache.org