change the way of spreading grid points; version 0.2.1

[zebinyang] · [zebinyang] · commit e6f43f8aed83 · 2021-09-22T14:20:08.000+08:00
diff --git a/simtree/mobtree.py b/simtree/mobtree.py
@@ -100,6 +100,7 @@ def screen_features(self, sample_indice):
                 continue
 
             split_point = 0
+            best_impurity = np.inf
             for i, _ in enumerate(sortted_indice):
 
                 if i == (n_samples - 1):
