Package com.whylogs.core.statistics.datatypes

Class VarianceTracker

java.lang.Object

com.whylogs.core.statistics.datatypes.VarianceTracker

public class VarianceTracker
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
VarianceTracker()

Method Summary

Modifier and Type	Method	Description
void	add(VarianceTracker other)	https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm
static VarianceTracker	fromProtobuf(com.whylogs.core.message.VarianceMessage message)
VarianceTracker	merge(VarianceTracker other)
double	stddev()
com.whylogs.core.message.VarianceMessage.Builder	toProtobuf()
void	update(double newValue)
double	variance()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VarianceTracker

public VarianceTracker()

Method Detail

update

public void update(double newValue)

stddev

public double stddev()

Returns:

sample standard deviation

variance

public double variance()

Returns:

the sample variance

add

public void add(VarianceTracker other)

https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm

merge

public VarianceTracker merge(VarianceTracker other)

toProtobuf

public com.whylogs.core.message.VarianceMessage.Builder toProtobuf()

fromProtobuf

public static VarianceTracker fromProtobuf(com.whylogs.core.message.VarianceMessage message)