Add numpy/scipy based statistics and helpers.

1 files changed, 11 insertions, 0 deletions

diff --git a/util.py b/util.py
new file mode 100644
index 0000000..fdedaa4
--- /dev/null
+++ b/util.py
@@ -0,0 +1,11 @@
+import numpy as np
+
+def load_csv_file(fname, *args, **kargs):
+    return np.genfromtxt(open(fname), delimiter=",", comments="#",
+                         *args, **kargs)
+
+def select(keep, rows):
+    ok_rows = np.zeros(len(rows), dtype=bool)
+    for i, row in enumerate(rows):
+        ok_rows[i] = keep(row)
+    return rows[ok_rows]