How come ""mathematically"" that lasso shrinks the coefficient towards zero whereas ridge does not?

Asked Jun 21 '16 at 15:57

Active Jun 21 '16 at 15:57

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I understand them geometrically !

asked Jun 21 '16 at 15:57

jeza

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In what sense is geometry not mathematics? – whuber Jun 21 '16 at 16:04
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See also: [Why does the Lasso provide Variable Selection?](http://stats.stackexchange.com/q/74542/7290) – gung - Reinstate Monica Jun 21 '16 at 17:11

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