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Regularization
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L1 vs L2 geometry
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429.
L1 Constraint Region Shape
easy
What is the geometric shape of the L1 regularization constraint region in two dimensions?
A
A circle centered at the origin with radius equal to the regularization budget
B
An ellipse oriented along the direction of maximum feature variance
C
A diamond with corners on the coordinate axes
D
A square aligned with the axes where all sides have equal length
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