Last change
on this file since 1326 was
1326,
checked in by khartmann, 10 years ago
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Moved alexanders code into a new plugin project.
First commit of my experimental code (needs a lot of cleanup).
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File size:
1.3 KB
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Rev | Line | |
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[1326] | 1 | |
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| 2 | package de.ugoe.cs.autoquest.plugin.usability2.statistics; |
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| 3 | |
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| 4 | import java.util.HashMap; |
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| 5 | import java.util.Map; |
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| 6 | import java.util.Map.Entry; |
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| 7 | |
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| 8 | import com.google.common.collect.Maps; |
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| 9 | import com.google.common.collect.Range; |
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| 10 | |
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| 11 | public class Histogramm { |
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| 12 | |
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| 13 | final Map<Integer, Integer> data; |
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| 14 | |
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| 15 | public Histogramm() { |
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| 16 | this(new HashMap<Integer, Integer>()); |
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| 17 | } |
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| 18 | |
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| 19 | private Histogramm(Map<Integer, Integer> data) { |
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| 20 | this.data = new HashMap<Integer, Integer>(data); |
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| 21 | } |
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| 22 | |
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| 23 | public Histogramm removeLessThan(int border) { |
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| 24 | Range<Integer> atLeast = Range.atLeast(border); |
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| 25 | Map<Integer, Integer> filtered = |
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| 26 | Maps.filterKeys(data, atLeast); |
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| 27 | return new Histogramm(filtered); |
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| 28 | } |
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| 29 | |
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| 30 | public void add(int value) { |
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| 31 | Integer count = data.get(value); |
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| 32 | int cnt; |
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| 33 | if (count == null) { |
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| 34 | cnt = 1; |
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| 35 | } else { |
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| 36 | cnt = count + 1; |
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| 37 | } |
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| 38 | |
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| 39 | System.out.print("."); |
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| 40 | |
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| 41 | data.put(value, cnt); |
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| 42 | } |
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| 43 | |
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| 44 | public int count(int offset) { |
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| 45 | int cnt = 0; |
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| 46 | System.out.println(data.size()); |
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| 47 | |
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| 48 | for (Entry<Integer, Integer> entry : data.entrySet()) { |
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| 49 | cnt += (entry.getKey() + offset) * entry.getValue(); |
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| 50 | } |
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| 51 | return cnt; |
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| 52 | } |
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| 53 | |
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| 54 | public int count() { |
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| 55 | return count(0); |
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| 56 | } |
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| 57 | } |
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