Add the function used to reduce the size of ENE events by grouping them...

Add the function used to reduce the size of ENE events by grouping them byArticle (format required by ENEDensity)

GEODE/ENE/Detector.py

@@ -23,3 +23,10 @@ def detector(model, corpus):
         for paragraph in paragraphs:
             eventsOfAnnotation(currentPosition, common, model(paragraph))
             currentPosition += len(paragraph)
+
+def byArticle(measures):
+    measures['count'] = 1
+    counts = measures.groupby(articleKey + ['event']).count().reset_index()
+    return counts.pivot(articleKey,
+                        columns='event',
+                        values='count').fillna(0).astype(int).reset_index()