Change to disable Balanced Random Forest as default

masatoi · Dec 18, 2019 · 6459537 · 6459537
1 parent 95e475a
commit 6459537
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/random-forest.lisp b/src/random-forest.lisp
@@ -555,7 +555,7 @@ Wallace, Byron C., et al. ``Class imbalance, redux.''
 (defun make-forest (n-class datamatrix target
                     &key (n-tree 100) (bagging-ratio 0.1) (max-depth 5) (min-region-samples 1)
                       (n-trial 10) (gain-test #'entropy)
-                      (remove-sample-indices? t) (save-parent-node? nil) (balance t))
+                      (remove-sample-indices? t) (save-parent-node? nil) (balance nil))
   (let ((forest (%make-forest
                  :n-tree n-tree
                  :bagging-ratio bagging-ratio