eu.dnetlib.data.mapreduce

Class Algorithms

java.lang.Object

eu.dnetlib.data.mapreduce.Algorithms

public class Algorithms
extends Object

Created by claudio on 14/11/2016.

Field Summary

Fields

Modifier and Type	Field and Description
static double	BASE_MAX
static double	BASE_MIN
static double	LIMIT_MIN

Constructor Summary

Constructors

Constructor and Description
Algorithms()

Method Summary

Modifier and Type	Method and Description
static double	scale(double valueIn, double limitMax)
static double	scale(double valueIn, double limitMin, double limitMax)
static double	scale(double valueIn, double baseMin, double baseMax, double limitMin, double limitMax) Source: https://stackoverflow.com/questions/5294955/how-to-scale-down-a-range-of-numbers-with-a-known-min-and-max-value f(min) = a f(max) = b f(x) = x - min ===> f(min) = min - min = 0 x - min max - min f(x) = --------- ===> f(min) = 0; f(max) = --------- = 1 max - min max - min (b-a)(x - min) f(x) = -------------- + a max - min

Methods inherited from class java.lang.Object

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

Field Detail

BASE_MIN

public static double BASE_MIN

BASE_MAX

public static double BASE_MAX

LIMIT_MIN

public static double LIMIT_MIN

Constructor Detail

Algorithms

public Algorithms()

Method Detail

scale

public static double scale(double valueIn,
                           double baseMin,
                           double baseMax,
                           double limitMin,
                           double limitMax)

Source: https://stackoverflow.com/questions/5294955/how-to-scale-down-a-range-of-numbers-with-a-known-min-and-max-value f(min) = a f(max) = b f(x) = x - min ===> f(min) = min - min = 0 x - min max - min f(x) = --------- ===> f(min) = 0; f(max) = --------- = 1 max - min max - min (b-a)(x - min) f(x) = -------------- + a max - min

scale

public static double scale(double valueIn,
                           double limitMin,
                           double limitMax)

scale

public static double scale(double valueIn,
                           double limitMax)