From 4ecb0b79eaab2770d15cf657bc6cc08a09f2d28e Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Mon, 15 Feb 2021 12:48:42 +0100
Subject: needs_refinement: short traces cannot be reliably refined

---
 lib/pelt.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/pelt.py b/lib/pelt.py
index c7bd179..1cff971 100644
--- a/lib/pelt.py
+++ b/lib/pelt.py
@@ -61,7 +61,9 @@ class PELT:
     def needs_refinement(self, signals):
         count = 0
         for signal in signals:
-            # test
+            if len(signal) < 30:
+                continue
+
             p1, median, p99 = np.percentile(signal[5:-5], (1, 50, 99))
 
             if median - p1 > self.refinement_threshold:
-- 
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