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author | wm624@hotmail.com <wm624@hotmail.com> | 2016-05-17 15:20:47 +0200 |
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committer | Nick Pentreath <nickp@za.ibm.com> | 2016-05-17 15:20:47 +0200 |
commit | 4134ff0c657efcbf0f61eff0423215afd6132837 (patch) | |
tree | 6b26b8824aff57e216974574b30dbfd2d20d3d81 /examples/src/main/python/ml | |
parent | c36ca651f9177f8e7a3f6a0098cba5a810ee9deb (diff) | |
download | spark-4134ff0c657efcbf0f61eff0423215afd6132837.tar.gz spark-4134ff0c657efcbf0f61eff0423215afd6132837.tar.bz2 spark-4134ff0c657efcbf0f61eff0423215afd6132837.zip |
[SPARK-14434][ML] User guide doc and examples for GaussianMixture in spark.ml
## What changes were proposed in this pull request?
(Please fill in changes proposed in this fix)
Add guide doc and examples for GaussianMixture in Spark.ml in Java, Scala and Python.
## How was this patch tested?
(Please explain how this patch was tested. E.g. unit tests, integration tests, manual tests)
Manual compile and test all examples
Author: wm624@hotmail.com <wm624@hotmail.com>
Closes #12788 from wangmiao1981/example.
Diffstat (limited to 'examples/src/main/python/ml')
-rw-r--r-- | examples/src/main/python/ml/gaussian_mixture_example.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/examples/src/main/python/ml/gaussian_mixture_example.py b/examples/src/main/python/ml/gaussian_mixture_example.py new file mode 100644 index 0000000000..2ca13d68f6 --- /dev/null +++ b/examples/src/main/python/ml/gaussian_mixture_example.py @@ -0,0 +1,48 @@ +# +# 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. +# + +from __future__ import print_function + +# $example on$ +from pyspark.ml.clustering import GaussianMixture +# $example off$ +from pyspark.sql import SparkSession + +""" +A simple example demonstrating Gaussian Mixture Model (GMM). +Run with: + bin/spark-submit examples/src/main/python/ml/gaussian_mixture_example.py +""" + +if __name__ == "__main__": + spark = SparkSession\ + .builder\ + .appName("PythonGuassianMixtureExample")\ + .getOrCreate() + + # $example on$ + # loads data + dataset = spark.read.format("libsvm").load("data/mllib/sample_kmeans_data.txt") + + gmm = GaussianMixture().setK(2) + model = gmm.fit(dataset) + + print("Gaussians: ") + model.gaussiansDF.show() + # $example off$ + + spark.stop() |