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16 changes: 14 additions & 2 deletions validmind/tests/data_validation/MutualInformation.py
Original file line number Diff line number Diff line change
Expand Up @@ -68,8 +68,20 @@ def MutualInformation(
if task not in ["classification", "regression"]:
raise ValueError("task must be either 'classification' or 'regression'")

X = dataset.x
y = dataset.y
# Check if numeric features exist
if not dataset.feature_columns_numeric:
raise ValueError(
"No numeric features found in dataset. Mutual Information test requires numeric features."
)

# Check if target column exists
if not dataset.target_column:
raise ValueError(
"Target column is required for Mutual Information calculation but was not provided."
)

X = dataset._df[dataset.feature_columns_numeric]
y = dataset._df[dataset.target_column]

# Select appropriate MI function based on task type
if task == "classification":
Expand Down