Upload compas.py

compas.py

@@ -260,8 +260,8 @@ class Compas(datasets.GeneratorBasedBuilder):
         data.drop("c_case_number", axis="columns", inplace=True)
         data.drop("c_days_from_compas", axis="columns", inplace=True)
 
-        # drop nan values
-        data = data[~data.days_b_screening_arrest.isna()]
+        # handle nan values
+        data = data[data.days_b_screening_arrest.isna(), "days_b_screening_arrest"] = -1
         data.loc[:, "days_b_screening_arrest"] = data.days_b_screening_arrest.astype(int)
         print("dropping from " + str(data.shape[0]))
         data = data[~data.r_days_from_arrest.isna()]