25231: Adds helper methods to AggregateReaction for new contributions/residuals return format, MINOR

howso/client/schemas/aggregate_reaction.py

@@ -1,7 +1,7 @@
 from collections.abc import Mapping, Iterator
 from copy import deepcopy
 from pprint import pformat
-from typing import Any, Literal, overload, TypeAlias, TypeVar
+from typing import Any, Literal, overload, TypeAlias, TypeVar, get_args
 
 import pandas as pd
 
@@ -55,6 +55,23 @@
 ]
 """Metric output keys of react aggregate that can be combined together into a DataFrame."""
 
+ResidualTypes: TypeAlias = Literal[
+    "feature_full_residuals",
+    "feature_robust_residuals",
+    "feature_deviations",
+]
+
+FeatureContributionTypes: TypeAlias = Literal[
+    "feature_full_prediction_contributions",
+    "feature_full_directional_prediction_contributions",
+    "feature_robust_prediction_contributions",
+    "feature_robust_directional_prediction_contributions",
+    "feature_full_accuracy_contributions",
+    "feature_full_accuracy_contributions_permutation",
+    "feature_robust_accuracy_contributions",
+    "feature_robust_accuracy_contributions_permutation",
+]
+
 Metric: TypeAlias = Literal[ComplexMetric, TableMetric]
 """All metric output keys of react aggregate."""
 
@@ -84,7 +101,7 @@ def __getitem__(self, key: Literal["confusion_matrix"]) -> dict[str, ConfusionMa
     @overload
     def __getitem__(self, key: TableMetric) -> pd.DataFrame: ...
 
-    def __getitem__(self, key: Metric) -> Any:
+    def __getitem__(self, key: Metric) -> Any | None:
         value = self._data[key]
         if isinstance(value, Mapping):
             if key == "confusion_matrix":
@@ -124,10 +141,65 @@ def get(self, key: TableMetric, /) -> pd.DataFrame | None: ...
     def get(self, key: TableMetric, /, default: _VT) -> pd.DataFrame | _VT: ...
 
     def get(  # pyright: ignore[reportIncompatibleMethodOverride]
-        self, key: Metric, /, default: _VT | None = None
+        self, key: Metric, /, default: _VT | None = None,
     ) -> MetricValue | _VT | None:
         return super().get(key, default=default)
 
+    def get_feature_residuals(
+        self,
+        null_residuals: bool = False,
+    ) -> pd.DataFrame:
+        """
+        Get the computed feature residuals as a DataFrame.
+
+        Parameters
+        ----------
+        null_residuals : bool, default False
+            A flag indicating if the residuals for the nullness of features should be returned rather than
+            the residual for the values of non-null cases.
+
+        Returns
+        -------
+        DataFrame
+            The DataFrame representation of the computed feature residuals.
+        """
+        data = {x: self._data[x] for x in get_args(ResidualTypes) if x in self._data}
+        if null_residuals:
+            def map_func(x):
+                return x[1] if isinstance(x, list) else None
+        else:
+            def map_func(x):
+                return x[0] if isinstance(x, list) else x
+
+        return pd.DataFrame(data).map(map_func)
+
+    def get_feature_contributions(
+        self, key: FeatureContributionTypes,
+        null_contributions=False,
+    ) -> pd.DataFrame:
+        """
+        Get the computed feature contributions as a DataFrame.
+
+        Parameters
+        ----------
+        null_contributions : bool, default False
+            A flag indicating if the contributions for the nullness of features should be returned rather than
+            the residual for the values of non-null cases.
+
+        Returns
+        -------
+        DataFrame
+            The DataFrame representation of the computed feature contributions.
+        """
+        value = self._data[key]
+        if null_contributions:
+            def map_func(x):
+                return x[1] if isinstance(x, list) else None
+        else:
+            def map_func(x):
+                return x[0] if isinstance(x, list) else x
+        return pd.DataFrame(value).map(map_func)
+
     def __iter__(self) -> Iterator[Metric]:
         """Iterate over the keys."""
         return iter(self._data)