Update aggregate_server_json.py

aggregate_server_json.py

@@ -202,13 +202,13 @@ class AggregateNER:
             mean_score = 1.0/len(dist) #input is a prob distriubution. so sum is 1
         else:
             mean_score = 0
-        #sum_deviation = 0
-        #for node in dist:
-        #    sum_deviation += (mean_score - node["confidence"])*(mean_score - node["confidence"])
-        #variance = sum_deviation/len(dist)
-        #std_dev = math.sqrt(variance)
-        #threshold =  mean_score + std_dev*self.threshold #default is 1 standard deviation from mean
-        threshold = mean_score
+        sum_deviation = 0
+        for node in dist:
+            sum_deviation += (mean_score - node["confidence"])*(mean_score - node["confidence"])
+        variance = sum_deviation/len(dist)
+        std_dev = math.sqrt(variance)
+        threshold =  mean_score + std_dev*self.threshold #default is 1 standard deviation from mean
+        #threshold = mean_score
         pick_count = 1
         for node in dist:
             if (node["confidence"] >= threshold):