lib/rumale/naive_bayes/gaussian_nb.rb in rumale-0.23.0 vs lib/rumale/naive_bayes/gaussian_nb.rb in rumale-0.23.1

@@ -60,10 +60,10 @@
         log_likelihoods = Array.new(n_classes) do |l|
           Math.log(@class_priors[l]) - 0.5 * (
             Numo::NMath.log(2.0 * Math::PI * @variances[l, true]) +
             ((x - @means[l, true])**2 / @variances[l, true])).sum(1)
         end
-        Numo::DFloat[*log_likelihoods].transpose
+        Numo::DFloat[*log_likelihoods].transpose.dup
       end
     end
   end
 end