2 files changed, 8 insertions, 1 deletions
diff --git a/source/clusters.py b/source/clusters.py
index 02766bdf..e53fac9b 100755
--- a/source/clusters.py
+++ b/source/clusters.py
@@ -1,6 +1,7 @@
 #! /usr/bin/env python
 #-*- coding: utf-8 -*-
 
+import math
 import random
 
 from math import sqrt
@@ -51,6 +52,12 @@ def tanimoto(v1, v2):
             shr += 1 # in both
     return 1.0 - (float(shr) / (c1 + c2 - shr))
 
+def euclidian(v1, v2):
+    d = 0.0
+    for i in range(len(v1)):
+        d += (v1[i] - v2[i])**2
+    return math.sqrt(d)
+
 def kcluster(rows,distance=pearson,k=4):
   # Determine the minimum and maximum values for each point
   ranges=[(min([row[i] for row in rows]),max([row[i] for row in rows])) 
diff --git a/source/testclusters.py b/source/testclusters.py
index 728e9c1b..6feabfc8 100644
--- a/source/testclusters.py
+++ b/source/testclusters.py
@@ -10,7 +10,7 @@ blognames,words,data = clusters.readfile("blogdata1.txt")
 coords = clusters.scaledown(data)
 
 print "Generating clusters..."
-kclust = clusters.kcluster(data, k=K, distance=clusters.pearson)
+kclust = clusters.kcluster(data, k=K, distance=clusters.euclidian)
 print
 print "Clusters:"
 for i in range(K):