diff options
Diffstat (limited to 'lib/regression.rb')
-rw-r--r-- | lib/regression.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/regression.rb b/lib/regression.rb index b8efd30..6b08fd8 100644 --- a/lib/regression.rb +++ b/lib/regression.rb @@ -62,7 +62,7 @@ module OpenTox else compound_features = variables.collect{|f| compound.fingerprint.include?(f) ? "T" : "F"} prediction = r_model_prediction method, data_frame, variables, weights, compound_features - if prediction.nil? + if prediction.nil? or prediction[:value].nil? prediction = local_weighted_average(compound, params) prediction[:warning] = "Could not create local PLS model. Using weighted average of similar compounds." return prediction |