From c1be8fe66f640d44dbbc9bfe5212733994bfb9c5 Mon Sep 17 00:00:00 2001
From: Christoph Helma <helma@in-silico.ch>
Date: Mon, 9 May 2016 15:44:29 +0200
Subject: physchem crossvalidation fixed, test_compound_descriptor_parameters
 assertions fixed

---
 lib/regression.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/regression.rb')

diff --git a/lib/regression.rb b/lib/regression.rb
index 691f903..2eaae73 100644
--- a/lib/regression.rb
+++ b/lib/regression.rb
@@ -94,7 +94,7 @@ module OpenTox
             data_frame[0][i] = act
             n["tanimoto"] ?  weights << n["tanimoto"] : weights << 1.0 # TODO cosine ?
             neighbor.physchem_descriptors.each do |pid,values| 
-              values = [values] if values.is_a? Float
+              values = [values] unless values.is_a? Array
               values.uniq!
               warn "More than one value for '#{Feature.find(pid).name}': #{values.join(', ')}. Using the median." unless values.size == 1
               j = pc_ids.index(pid)+1
-- 
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