Snorkel Map Package

Generic utilities for data point to data point operations.

BaseMapper	Base class for Mapper and LambdaMapper.
LambdaMapper	Define a mapper from a function.
Mapper	Base class for any data point to data point mapping in the pipeline.
lambda_mapper	Decorate a function to define a LambdaMapper object.
spark.make_spark_mapper	Convert Mapper to be compatible with PySpark.