Package pyspark :: Module accumulators :: Class AccumulatorParam

Class AccumulatorParam

object --+
         |
        AccumulatorParam

Known Subclasses:

AddingAccumulatorParam

Helper object that defines how to accumulate values of a given type.

Instance Methods

zero(self, value)
Provide a "zero value" for the type, compatible in dimensions with the provided value (e.g., a zero vector) source code

addInPlace(self, value1, value2)
Add two values of the accumulator's data type, returning a new value; for efficiency, can also update value1 in place and return it. source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __init__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties
Inherited from `object`: `__class__`