1 files changed, 33 insertions, 0 deletions
diff --git a/structure/correlations/compute_pearson.py b/structure/correlations/compute_pearson.py
new file mode 100644
index 0000000..e2c9055
--- /dev/null
+++ b/structure/correlations/compute_pearson.py
@@ -0,0 +1,33 @@
+####
+##
+## Compute the pearson correlation coefficient between the values of
+## node properties included in the two files provided as input.
+##
+
+import sys
+import numpy
+import scipy.stats
+import math
+
+if len(sys.argv) < 3:
+    print "Usage %s <file1> <file2>" % sys.argv[0]
+    sys.exit(1)
+
+
+x1 = []
+
+with open(sys.argv[1], "r") as lines:
+    for l in lines:
+        elem = [float(x) if "." in x or "e" in x else int(x) for x in l.strip(" \n").split()][0]
+        x1.append(elem)
+
+x2 = []
+
+with open(sys.argv[2], "r") as lines:
+    for l in lines:
+        elem = [float(x) if "." in x or "e" in x else int(x) for x in l.strip(" \n").split()][0]
+        x2.append(elem)
+
+    
+r2 =numpy.corrcoef(x1,x2)
+print r2[0][1]