software.amazon.kinesis.utils

Class Statistics

java.lang.Object

software.amazon.kinesis.utils.Statistics

public class Statistics
extends Object

Constructor Summary

Constructors

Constructor and Description
Statistics()

Method Summary

Modifier and Type	Method and Description
static double	calculateSimpleMean(List<Double> values) Calculates the simple mean of the given values
static Map.Entry<Double,Double>	calculateStandardDeviationAndMean(List<Double> values) For the given values find the standard deviation (SD).

Methods inherited from class java.lang.Object

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

Constructor Detail

Statistics

public Statistics()

Method Detail

calculateSimpleMean

public static double calculateSimpleMean(List<Double> values)

Calculates the simple mean of the given values

Parameters:

values - list of values (double)

Returns:

mean of the given values, if the is empty then returns 0;

calculateStandardDeviationAndMean

public static Map.Entry<Double,Double> calculateStandardDeviationAndMean(List<Double> values)

For the given values find the standard deviation (SD). For details of SD calculation ref :

Parameters:

values - list of values (double)

Returns:

Map.Entry of mean to standard deviation for , if is empty then return Map.Entry with 0 as mean and 0 as SD.