Add percentage.py

percentage.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+match_wifi_num_crit = 2
+
+# $K = \frac{|A \cap B|}{min(|A|, |B|)}
+def otsuka_sim(known_point, new_point):
+    from math import sqrt
+    up, d1, d2 = 0.0, 0.0, 0.0
+    a, b = known_point, new_point
+    for key in a.wifi_snr:
+        d1 += 1
+        if key in b.wifi_snr:
+            up += 1
+    for key in b.wifi_snr:
+        d2 += 1
+    if up < match_wifi_num_crit:
+        return None
+    else:
+        return up / min(d1, d2)
+
+if __name__ == '__main__':
+    from wifiloc import toplev
+    toplev(infile = "basicdata.csv", sim = otsuka_sim, bad_wifi_crit = 5000,
+            sim_crit = 0.5, remove_bad_wifi_policy = 2,
+            skip_tests_with_bad_wifi = True)