Last change
on this file since 922 was
922,
checked in by sherbold, 12 years ago
|
- renaming of packages from de.ugoe.cs.quest to de.ugoe.cs.autoquest
|
File size:
1.7 KB
|
Line | |
---|
1 | package de.ugoe.cs.autoquest.commands.usage;
|
---|
2 |
|
---|
3 | import java.util.List;
|
---|
4 | import java.util.Random;
|
---|
5 |
|
---|
6 | import de.ugoe.cs.autoquest.usageprofiles.PredictionByPartialMatch;
|
---|
7 | import de.ugoe.cs.autoquest.usageprofiles.TrieBasedModel;
|
---|
8 |
|
---|
9 | /**
|
---|
10 | * <p>
|
---|
11 | * Command that trains Prediction by Partial Match (PPM) models.
|
---|
12 | * </p>
|
---|
13 | *
|
---|
14 | * @author Steffen Herbold
|
---|
15 | * @version 2.0
|
---|
16 | */
|
---|
17 | public class CMDtrainPPM extends AbstractTrainCommand {
|
---|
18 |
|
---|
19 | /**
|
---|
20 | * <p>
|
---|
21 | * Escape probability of the PPM model.
|
---|
22 | * </p>
|
---|
23 | */
|
---|
24 | double probEscape;
|
---|
25 |
|
---|
26 | /**
|
---|
27 | * <p>
|
---|
28 | * Maximal Markov order of the PPM model.
|
---|
29 | * </p>
|
---|
30 | */
|
---|
31 | int maxOrder;
|
---|
32 |
|
---|
33 | /**
|
---|
34 | * <p>
|
---|
35 | * Minimal Markov order of the PPM model. Default: 0
|
---|
36 | * </p>
|
---|
37 | */
|
---|
38 | int minOrder = 0;
|
---|
39 |
|
---|
40 | /*
|
---|
41 | * (non-Javadoc)
|
---|
42 | *
|
---|
43 | * @see de.ugoe.cs.util.console.Command#help()
|
---|
44 | */
|
---|
45 | @Override
|
---|
46 | public String help() {
|
---|
47 | return "trainPPM <modelname> <sequencesName> <probEscape> <maxOrder> {<minOrder>}";
|
---|
48 | }
|
---|
49 |
|
---|
50 | /**
|
---|
51 | * <p>
|
---|
52 | * Handles the parameters probEscape, maxOrder, and minOrder.
|
---|
53 | * </p>
|
---|
54 | *
|
---|
55 | * @see de.ugoe.cs.autoquest.commands.usage.AbstractTrainCommand#handleOptionalParameters(java.util.List)
|
---|
56 | */
|
---|
57 | @Override
|
---|
58 | void handleAdditionalParameters(List<Object> parameters) throws Exception {
|
---|
59 | probEscape = Double.parseDouble((String) parameters.get(2));
|
---|
60 | maxOrder = Integer.parseInt((String) parameters.get(3));
|
---|
61 | if (parameters.size() == 5) {
|
---|
62 | minOrder = Integer.parseInt((String) parameters.get(4));
|
---|
63 | }
|
---|
64 | }
|
---|
65 |
|
---|
66 | /*
|
---|
67 | * (non-Javadoc)
|
---|
68 | *
|
---|
69 | * @see de.ugoe.cs.autoquest.ui.commands.AbstractTrainCommand#createModel()
|
---|
70 | */
|
---|
71 | @Override
|
---|
72 | TrieBasedModel createModel() {
|
---|
73 | return new PredictionByPartialMatch(maxOrder, minOrder, new Random(),
|
---|
74 | probEscape);
|
---|
75 | }
|
---|
76 |
|
---|
77 | }
|
---|
Note: See
TracBrowser
for help on using the repository browser.