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Diffstat (limited to 'examples/src/main/python/ml/rformula_example.py')
-rw-r--r-- | examples/src/main/python/ml/rformula_example.py | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/examples/src/main/python/ml/rformula_example.py b/examples/src/main/python/ml/rformula_example.py new file mode 100644 index 0000000000..b544a14700 --- /dev/null +++ b/examples/src/main/python/ml/rformula_example.py @@ -0,0 +1,44 @@ +# +# 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 + +from pyspark import SparkContext +from pyspark.sql import SQLContext +# $example on$ +from pyspark.ml.feature import RFormula +# $example off$ + +if __name__ == "__main__": + sc = SparkContext(appName="RFormulaExample") + sqlContext = SQLContext(sc) + + # $example on$ + dataset = sqlContext.createDataFrame( + [(7, "US", 18, 1.0), + (8, "CA", 12, 0.0), + (9, "NZ", 15, 0.0)], + ["id", "country", "hour", "clicked"]) + formula = RFormula( + formula="clicked ~ country + hour", + featuresCol="features", + labelCol="label") + output = formula.fit(dataset).transform(dataset) + output.select("features", "label").show() + # $example off$ + + sc.stop() |