From a56315499d714a783078d4a02c8982ccdb510cff Mon Sep 17 00:00:00 2001
From: Andreas Maunz <andreas@maunz.de>
Date: Fri, 10 Feb 2012 09:29:29 +0100
Subject: Write warning if all values of a feature are missing in dataset

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

diff --git a/lib/parser.rb b/lib/parser.rb
index 9383f44..ae8ada6 100644
--- a/lib/parser.rb
+++ b/lib/parser.rb
@@ -394,7 +394,9 @@ module OpenTox
 
         info = ''
         @feature_types.each do |feature,types|
-          if types.uniq.size > 1
+          if types.uniq.size == 0
+            type = "helper#MissingFeature"
+          elsif types.uniq.size > 1
             type = OT.NumericFeature
           else
             type = types.first
-- 
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