From 1e32ae4f336d1fcb174b0e5b8157bb9a9c9dcec7 Mon Sep 17 00:00:00 2001
From: andreas128 <Andreas>
Date: Thu, 28 Sep 2017 12:27:34 +0200
Subject: Fix warning for mean of empty slice

---
 dpd/src/ExtractStatistic.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dpd/src/ExtractStatistic.py b/dpd/src/ExtractStatistic.py
index bf9eba5..9df85bc 100644
--- a/dpd/src/ExtractStatistic.py
+++ b/dpd/src/ExtractStatistic.py
@@ -126,7 +126,8 @@ class ExtractStatistic:
     def _rx_value_per_bin(self):
         rx_values = []
         for values in self.rx_values_lists:
-            rx_values.append(np.mean(np.abs(values)))
+            mean = np.mean(np.abs(values)) if len(values) > 0 else np.nan
+            rx_values.append(mean)
         return rx_values
 
     def _tx_value_per_bin(self):
@@ -147,7 +148,8 @@ class ExtractStatistic:
     def _phase_diff_value_per_bin(self, phase_diffs_values_lists):
         phase_list = []
         for values in phase_diffs_values_lists:
-            phase_list.append(np.mean(values))
+            mean = np.mean(values) if len(values) > 0 else np.nan
+            phase_list.append(mean)
         return phase_list
 
     def extract(self, tx_dpd, rx):
-- 
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