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0001 # 0002 # Licensed to the Apache Software Foundation (ASF) under one or more 0003 # contributor license agreements. See the NOTICE file distributed with 0004 # this work for additional information regarding copyright ownership. 0005 # The ASF licenses this file to You under the Apache License, Version 2.0 0006 # (the "License"); you may not use this file except in compliance with 0007 # the License. You may obtain a copy of the License at 0008 # 0009 # http://www.apache.org/licenses/LICENSE-2.0 0010 # 0011 # Unless required by applicable law or agreed to in writing, software 0012 # distributed under the License is distributed on an "AS IS" BASIS, 0013 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 0014 # See the License for the specific language governing permissions and 0015 # limitations under the License. 0016 # 0017 0018 from __future__ import print_function 0019 0020 # $example on$ 0021 from pyspark.ml.feature import RFormula 0022 # $example off$ 0023 from pyspark.sql import SparkSession 0024 0025 if __name__ == "__main__": 0026 spark = SparkSession\ 0027 .builder\ 0028 .appName("RFormulaExample")\ 0029 .getOrCreate() 0030 0031 # $example on$ 0032 dataset = spark.createDataFrame( 0033 [(7, "US", 18, 1.0), 0034 (8, "CA", 12, 0.0), 0035 (9, "NZ", 15, 0.0)], 0036 ["id", "country", "hour", "clicked"]) 0037 0038 formula = RFormula( 0039 formula="clicked ~ country + hour", 0040 featuresCol="features", 0041 labelCol="label") 0042 0043 output = formula.fit(dataset).transform(dataset) 0044 output.select("features", "label").show() 0045 # $example off$ 0046 0047 spark.stop()
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