Upload anneal.py

anneal.py

@@ -148,7 +148,10 @@ class Anneal(datasets.GeneratorBasedBuilder):
 
     def preprocess(self, data: pandas.DataFrame, config: str = DEFAULT_CONFIG) -> pandas.DataFrame:
         data.columns = _BASE_FEATURE_NAMES
-        data.loc[:, "formability"] = data.formability.apply(lambda x: int(x) if x not in ("-", "?") else 0)
+        data = data[data.formability != "?"]
+        data = data[data.enamelability != "?"]
+
+        data.loc[:, "formability"] = data.formability.apply(lambda x: int(x) if x != "-" else 0)
         data.loc[:, "enamelability"] = data.enamelability.apply(lambda x: int(x) if x != "-" else 0)
         data.loc[:, "non_ageing"] = data.formability.apply(lambda x: True if x == "-" else False)
         data.loc[:, "bc"] = data.bc.apply(lambda x: True if x == "Y" else False)