toad.preprocessing.partition module

class toad.preprocessing.partition.TimePartition(base, filter, times)

Bases: Partition

partition data by time delta

Parameters

• base (str) – column name of base time

• filter (str) – column name of target time to be compared

• times (list) – list of time delta`

Example:

>>> TimePartition('apply_time', 'query_time', ['30d', '90d', 'all'])

__init__(base, filter, times)

partition(data)

partition data

Parameters

data (DataFrame) – dataframe

Returns

mask of partition data iterator -> str: suffix string of current partition

Return type

iterator -> ndarray[bool]

class toad.preprocessing.partition.ValuePartition(column)

Bases: Partition

partition data by column values

Parameters

column (str) – column name which will be used as partition

Example:

>>> ValuePartition('status')

__init__(column)

partition(data)

partition data

Parameters

data (DataFrame) – dataframe

Returns

mask of partition data iterator -> str: suffix string of current partition

Return type

iterator -> ndarray[bool]