added todos

statistics/statistics.py

@@ -5,6 +5,9 @@
     Program: Wrapper script to call ../build/ted-join-experiments. Instead 
              of writing tothe database, the output is written to stdout in 
              json format. Called from /src/.
+    TODO: - Quantile, Median
+          - Depth, Fanout
+          - Percentage leafs
 '''
 
 import sys
@@ -12,14 +15,6 @@ import argparse
 import json
 import re
 
-def str2bool(v):
-    if v.lower() in ('yes', 'true', 't', 'y', '1'):
-        return True
-    elif v.lower() in ('no', 'false', 'f', 'n', '0'):
-        return False
-    else:
-        raise argparse.ArgumentTypeError('Boolean value expected.')
-
 # parse input argurments
 parser = argparse.ArgumentParser()
 parser.add_argument("--inputfile", type=str,