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fix: handle residuals array is empty #211

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Jan 3, 2025
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2 changes: 2 additions & 0 deletions causallearn/search/ScoreBased/ExactSearch.py
Original file line number Diff line number Diff line change
Expand Up @@ -365,6 +365,8 @@ def bic_score_node(X, i, structure):
b=X[:, i],
rcond=None)
bic = n * np.log(residual / n) + len(structure) * np.log(n)
if bic.size == 0:
return NEGINF # Return negative infinity if bic is empty
return bic.item()


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