diff --git a/merge_wordcount_with_edge_features.py b/merge_wordcount_with_edge_features.py
index 5c68a16..169d77b 100644
--- a/merge_wordcount_with_edge_features.py
+++ b/merge_wordcount_with_edge_features.py
@@ -24,6 +24,7 @@ parser.add_argument('files', metavar='ListOfFiles', nargs='+',
 parser.add_argument('--o', '-option', choices=['whitelist', 'blacklist'])
 parser.add_argument('--c', '-city', nargs='?')
 parser.add_argument('--out', '-outputFilename')
+parser.add_argument('--minfreq', '-mininumWordCountFrequency', type=int)
 
 
 def updateNode(existing_node, temp_node):
@@ -47,7 +48,7 @@ def updateNode(existing_node, temp_node):
     return existing_node
 
 
-def mergeWhitelist(fileList):
+def mergeWhitelist(fileList, minfreq):
     """
     We are given a list of 2 to n files to merge together and dump in an output file
     By merging we intend sum up the stats on each column
@@ -56,21 +57,37 @@ def mergeWhitelist(fileList):
     """
 
     tokenDict = dict()
+    lines = 0
+    updates = 0
+    new_nodes = 0
+
     for cityFilename in fileList:
+        print "Opening file: ", cityFilename
         inputFile = codecs.open(cityFilename, "r", "utf-8")
         for line in inputFile:
+            lines += 1
             node = Node.parseString(line)
-            if node.description in tokenDict:
-                # update node
-                existing_node = tokenDict[node.description]
-                updateNode(existing_node, node)
-                # for space issues we can destroy the object node
-            else:
-                tokenDict[node.description] = node
-    #return tokenDict
+            if node.nodeCount > minfreq:
+                if node.description in tokenDict:
+                    # update node
+                    existing_node = tokenDict[node.description]
+                    updateNode(existing_node, node)
+                    # for space issues we can destroy the object node
+                    updates += 1
+                else:
+                    tokenDict[node.description] = node
+                    new_nodes += 1
+        print "Dict size: ", len(tokenDict)
+        print "Lines: ", lines
+        print "Updates: ", updates
+        print "New nodes: ", new_nodes
+        lines = 0
+        updates = 0
+        new_nodes = 0
+    return tokenDict
 
 
-def mergeBlackList(city, cityFile):
+def mergeBlackList(city, cityFile, minfreq):
     """
     Gien a city and a file with the features for that city, we search the directory for similar files corresponding to
     the remaining 9 cities and merge them together in one file.
@@ -94,7 +111,7 @@ def mergeBlackList(city, cityFile):
             for line in inputFile:
                 lines += 1
                 node = Node.parseString(line)
-                if node.nodeCount > 1:
+                if node.nodeCount > minfreq:  #!!! this restricts a lot the dataset
                     if node.description in tokenDict:
                         # update node
                         existing_node = tokenDict[node.description]
@@ -131,7 +148,7 @@ def main():
             print "You need to indicate the file ( of the city in -c ) which to exclude from the merge"
             sys.exit()
 
-        new_node_dict = mergeBlackList(args.c, args.files[0])
+        new_node_dict = mergeBlackList(args.c, args.files[0], args.minfreq)
 
     for node_desc, node in new_node_dict.iteritems():
         outputWriter.write('{}\n'.format(node.tabPrint()))
--
libgit2 0.21.4