Support alpha=0 in Ridge
#6236
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Support alpha=0 in Ridge
#6236
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When `alpha = 0`, `Ridge` is equivalent to a `LinearRegression`. Previously we checked if alpha was positive, scikit-learn instead requires that alpha is non-negative. This updates the check and adds a test.
jcrist
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feature request
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When
alpha = 0,Ridgeis equivalent to aLinearRegression. Previously we checked if alpha was positive, scikit-learn instead requires that alpha is non-negative. This updates the check and adds a test.