source: src/main/java/agents/anac/y2013/GAgent/Probability.java

Last change on this file was 1, checked in by Wouter Pasman, 6 years ago

Initial import : Genius 9.0.0

File size: 929 bytes
Line 
1package agents.anac.y2013.GAgent;
2
3public class Probability {
4
5 public double mean;
6 public double widthUtil;
7 public double variance;
8 public int itemNum;
9
10 private double sumRatio;
11 private double sumRatio2;
12
13
14 public Probability(double w) {
15 sumRatio = 0;
16 sumRatio2 = 0;
17 mean = 0D;
18 widthUtil = w;
19 variance = 0D;
20 itemNum = 0;
21 }
22 private void calMean(double ratio){
23 sumRatio += ratio;
24 mean = sumRatio / itemNum;
25 }
26
27 private double calVar(double ratio){
28 sumRatio2 += ratio * ratio;
29 variance = sumRatio2 / itemNum - mean*mean;
30 return variance;
31 }
32
33 private double getRatio(double util){
34 return util / widthUtil;
35 }
36
37 public double getM(double diff){
38 itemNum++;
39 double ra = getRatio(diff);
40 calMean(ra);
41 return mean;
42 }
43 public double getVar(double diff){
44 itemNum++;
45 double ra = getRatio(diff);
46 calMean(diff);
47 variance = calVar(ra);
48 return mean*100000*variance*widthUtil;
49 }
50
51
52}
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