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In: Advanced Math

Hello I am trying to come up with some answer for a Data mining project. And...

Hello I am trying to come up with some answer for a Data mining project.
And need some better detailed answers for the following.

1. What is the issue with the usual linear regression?

2. What does lasso regression do?

3. What's the general theory about lasso? such as the formulas and the general properties of lambda?

please kindly give a little explanation for each.
Thankyou. (:

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