diff -r 000000000000 -r 0efde00f9229 ident/autocov.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ident/autocov.py	Fri May 27 14:24:59 2011 +0530
@@ -0,0 +1,6 @@
+from scipy import signal
+
+def autocov(y):
+    l = len(y)
+    nlags = l
+    x = signal.correlate