From 7858ea313dd116c10be7023e5a97a681bc0df391 Mon Sep 17 00:00:00 2001
From: scott bridwell <bridwell@gmail.com>
Date: Thu, 17 Nov 2016 16:22:24 -0700
Subject: [PATCH] update sample rows

---
 urbansim/utils/sampling.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/urbansim/utils/sampling.py b/urbansim/utils/sampling.py
index 47f39ade..ec9288a6 100644
--- a/urbansim/utils/sampling.py
+++ b/urbansim/utils/sampling.py
@@ -27,7 +27,7 @@ def get_probs(data, prob_column=None):
         p = data[prob_column].fillna(0).values
         if p.sum() == 0:
             p = np.ones(len(p))
-        if round(p.sum(), 0) != 1:
+        if abs(p.sum() - 1.0) > 1e-8:
             p = p / (1.0 * p.sum())
     return p