Repository: spark Updated Branches: refs/heads/branch-2.0 1ee621b1d -> 3f6a13c8a
[SPARK-14512] [DOC] Add python example for QuantileDiscretizer ## What changes were proposed in this pull request? Add the missing python example for QuantileDiscretizer ## How was this patch tested? manual tests Author: Zheng RuiFeng <[email protected]> Closes #12281 from zhengruifeng/discret_pe. (cherry picked from commit 76ad04d9a0a7d4dfb762318d9c7be0d7720f4e1a) Signed-off-by: Davies Liu <[email protected]> Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/3f6a13c8 Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/3f6a13c8 Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/3f6a13c8 Branch: refs/heads/branch-2.0 Commit: 3f6a13c8a49e15c5f88415837f49f8e81092177b Parents: 1ee621b Author: Zheng RuiFeng <[email protected]> Authored: Fri May 6 10:47:13 2016 -0700 Committer: Davies Liu <[email protected]> Committed: Fri May 6 10:47:36 2016 -0700 ---------------------------------------------------------------------- docs/ml-features.md | 9 +++++ .../python/ml/quantile_discretizer_example.py | 39 ++++++++++++++++++++ 2 files changed, 48 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/spark/blob/3f6a13c8/docs/ml-features.md ---------------------------------------------------------------------- diff --git a/docs/ml-features.md b/docs/ml-features.md index 0b8f2d7..237e93a 100644 --- a/docs/ml-features.md +++ b/docs/ml-features.md @@ -1118,6 +1118,15 @@ for more details on the API. {% include_example java/org/apache/spark/examples/ml/JavaQuantileDiscretizerExample.java %} </div> + +<div data-lang="python" markdown="1"> + +Refer to the [QuantileDiscretizer Python docs](api/python/pyspark.ml.html#pyspark.ml.feature.QuantileDiscretizer) +for more details on the API. + +{% include_example python/ml/quantile_discretizer_example.py %} +</div> + </div> # Feature Selectors http://git-wip-us.apache.org/repos/asf/spark/blob/3f6a13c8/examples/src/main/python/ml/quantile_discretizer_example.py ---------------------------------------------------------------------- diff --git a/examples/src/main/python/ml/quantile_discretizer_example.py b/examples/src/main/python/ml/quantile_discretizer_example.py new file mode 100644 index 0000000..6ae7bb1 --- /dev/null +++ b/examples/src/main/python/ml/quantile_discretizer_example.py @@ -0,0 +1,39 @@ +# +# 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.feature import QuantileDiscretizer +# $example off$ +from pyspark.sql import SparkSession + + +if __name__ == "__main__": + spark = SparkSession.builder.appName("PythonQuantileDiscretizerExample").getOrCreate() + + # $example on$ + data = [(0, 18.0,), (1, 19.0,), (2, 8.0,), (3, 5.0,), (4, 2.2,)] + dataFrame = spark.createDataFrame(data, ["id", "hour"]) + + discretizer = QuantileDiscretizer(numBuckets=3, inputCol="hour", outputCol="result") + + result = discretizer.fit(dataFrame).transform(dataFrame) + result.show() + # $example off$ + + spark.stop() --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
