1 files changed, 1 insertions, 1 deletions
diff --git a/fminer.rb b/fminer.rb
index 2fb6008..d706063 100644
--- a/fminer.rb
+++ b/fminer.rb
@@ -149,7 +149,7 @@ post '/fminer/bbrc/?' do
                   LOGGER.warn "Unknown class \"#{value.to_s}\"."
                 end
               elsif prediction_feature.feature_type == "regression"
-                activity = value.to_f
+                activity = Math.log10(value.to_f)
               end
               begin
                 @@bbrc.AddCompound(smiles,id)