probability plot for classification

1 files changed, 4 insertions, 2 deletions

diff --git a/test/validation-classification.rb b/test/validation-classification.rb
index c93e71f..fb4c3e7 100644
--- a/test/validation-classification.rb
+++ b/test/validation-classification.rb
@@ -11,8 +11,10 @@ class ValidationClassificationTest < MiniTest::Test
     cv = ClassificationCrossValidation.create model
     assert cv.accuracy > 0.7, "Accuracy (#{cv.accuracy}) should be larger than 0.7, this may occur due to an unfavorable training/test set split"
     assert cv.weighted_accuracy > cv.accuracy, "Weighted accuracy (#{cv.weighted_accuracy}) should be larger than accuracy (#{cv.accuracy})."
-    #p cv
-    #File.open("tmp.pdf","w+"){|f| f.puts cv.probability_plot}
+    File.open("/tmp/tmp.pdf","w+"){|f| f.puts cv.probability_plot(format:"pdf")}
+    p `file -b /tmp/tmp.pdf`
+    File.open("/tmp/tmp.png","w+"){|f| f.puts cv.probability_plot(format:"png")}
+    p `file -b /tmp/tmp.png`
   end
 
   # parameters