added relevance change to models

vipra-cmd/src/main/java/de/vipra/cmd/lda/DTMAnalyzer.java

@@ -224,6 +224,7 @@ public class DTMAnalyzer extends Analyzer {
 
 				final double[] relevances = new double[sequencesCount];
 				double relevanceSum = 0;
+				double prevRelevance = 0;
 
 				// for each sequence
 				for (int idxSeq = 0, sequenceOffset = 0; idxSeq < sequencesCount; idxSeq++) {
@@ -266,6 +267,7 @@ public class DTMAnalyzer extends Analyzer {
 					newSequenceFull.setWindow(newWindows.get(idxSeq));
 					newSequenceFull.setWords(newSeqTopicWords);
 					newSequenceFull.setRelevance(relevance);
+					newSequenceFull.setRelevanceChange(relevance - prevRelevance);
 					newSequenceFull.setTopic(new Topic(newTopic.getId()));
 					newSequences.add(newSequenceFull);
 					newTopicSequences.add(new Sequence(newSequenceFull.getId()));
@@ -273,6 +275,7 @@ public class DTMAnalyzer extends Analyzer {
 					sequenceOffset += sequenceSize;
 					relevanceSum += relevance;
 					relevances[idxSeq] = relevance;
+					prevRelevance = relevance;
 				}
 
 				// sort topic words and generate topic name

vipra-util/src/main/java/de/vipra/util/model/Sequence.java

@@ -19,6 +19,8 @@ public class Sequence implements Model<ObjectId>, Comparable<Sequence>, Serializ
 
 	private Double relevance;
 
+	private Double relevanceChange;
+
 	public Sequence() {}
 
 	public Sequence(final ObjectId id) {
@@ -51,6 +53,14 @@ public class Sequence implements Model<ObjectId>, Comparable<Sequence>, Serializ
 		this.relevance = relevance;
 	}
 
+	public Double getRelevanceChange() {
+		return relevanceChange;
+	}
+
+	public void setRelevanceChange(Double relevanceChange) {
+		this.relevanceChange = relevanceChange;
+	}
+
 	@Override
 	public int compareTo(final Sequence o) {
 		return window.getId() - o.getWindow().getId();
@@ -58,7 +68,8 @@ public class Sequence implements Model<ObjectId>, Comparable<Sequence>, Serializ
 
 	@Override
 	public String toString() {
-		return "Sequence [id=" + id + ", window=" + window + ", relevance=" + relevance + "]";
+		return "Sequence [id=" + id + ", window=" + window + ", relevance=" + relevance + ", relevanceChange="
+				+ relevanceChange + "]";
 	}
 
 }

vipra-util/src/main/java/de/vipra/util/model/SequenceFull.java

@@ -23,6 +23,8 @@ public class SequenceFull implements Model<ObjectId>, Comparable<SequenceFull>,
 
 	private Double relevance;
 
+	private Double relevanceChange;
+
 	@Reference
 	@QueryIgnore(multi = true)
 	private Topic topic;
@@ -57,6 +59,14 @@ public class SequenceFull implements Model<ObjectId>, Comparable<SequenceFull>,
 		this.relevance = relevance;
 	}
 
+	public Double getRelevanceChange() {
+		return relevanceChange;
+	}
+
+	public void setRelevanceChange(Double relevanceChange) {
+		this.relevanceChange = relevanceChange;
+	}
+
 	public Topic getTopic() {
 		return topic;
 	}
@@ -80,8 +90,8 @@ public class SequenceFull implements Model<ObjectId>, Comparable<SequenceFull>,
 
 	@Override
 	public String toString() {
-		return "SequenceFull [id=" + id + ", window=" + window + ", relevance=" + relevance + ", topic=" + topic
-				+ ", words=" + words + "]";
+		return "SequenceFull [id=" + id + ", window=" + window + ", relevance=" + relevance + ", relevanceChange="
+				+ relevanceChange + ", topic=" + topic + ", words=" + words + "]";
 	}
 
 }