2020-09-24 01:15:36 -04:00
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from typing import Generic, List, TypeVar
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from pyspark.context import SparkContext
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from pyspark.rdd import RDD
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from pyspark.mllib.common import JavaModelWrapper
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from pyspark.mllib.util import JavaSaveable, JavaLoader
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T = TypeVar("T")
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class FPGrowthModel(
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JavaModelWrapper, JavaSaveable, JavaLoader[FPGrowthModel], Generic[T]
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):
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def freqItemsets(self) -> RDD[FPGrowth.FreqItemset[T]]: ...
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@classmethod
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def load(cls, sc: SparkContext, path: str) -> FPGrowthModel: ...
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class FPGrowth:
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@classmethod
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def train(
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cls, data: RDD[List[T]], minSupport: float = ..., numPartitions: int = ...
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) -> FPGrowthModel[T]: ...
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class FreqItemset(Generic[T]):
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2020-11-24 20:24:41 -05:00
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items: List[T]
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freq: int
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2020-09-24 01:15:36 -04:00
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class PrefixSpanModel(JavaModelWrapper, Generic[T]):
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def freqSequences(self) -> RDD[PrefixSpan.FreqSequence[T]]: ...
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class PrefixSpan:
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@classmethod
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def train(
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cls,
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data: RDD[List[List[T]]],
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minSupport: float = ...,
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maxPatternLength: int = ...,
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maxLocalProjDBSize: int = ...,
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) -> PrefixSpanModel[T]: ...
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class FreqSequence(tuple, Generic[T]):
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sequence: List[T]
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freq: int
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