Index: trunk/EventBenchCore/src/de/ugoe/cs/eventbench/models/PredictionByPartialMatch.java
===================================================================
--- trunk/EventBenchCore/src/de/ugoe/cs/eventbench/models/PredictionByPartialMatch.java	(revision 114)
+++ trunk/EventBenchCore/src/de/ugoe/cs/eventbench/models/PredictionByPartialMatch.java	(revision 115)
@@ -12,6 +12,6 @@
  * Implements Prediction by Partial Match (PPM) based on the following formula
  * (LaTeX-style notation):<br>
- * P_{PPM}(X_n|X_{n-1},...,X_{n-k}) = \sum_{i=k}^1 escape^{i-1}
- * P_{MM^i}(X_n|X_{n-1},...,X_{n-i})(1-escape)<br>
+ * P_{PPM}(X_n|X_{n-1},...,X_{n-k}) = \sum_{i=k}^min escape^{k-i} P_{MM^i}(X_n
+ * |X_{n-1},...,X_{n-i})(1-escape)+escape^(k-min)P(X_n|X_{n-i},... ,X_{n-min})<br>
  * P_{MM^i} denotes the probability in an i-th order Markov model.
  * </p>
@@ -161,5 +161,5 @@
 			resultCurrentContex = (double) countSymbol / sumCountFollowers;
 		}
-		if (contextCopy.size() != minOrder) {
+		if (contextCopy.size() >= minOrder) {
 			resultCurrentContex *= (1 - probEscape);
 			contextCopy.remove(0);