describe how the elastic net problem can be solved by the LARS solution path: for fixed...

   

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describe how the elastic net problem can be solved by the LARS solution path: for fixed X₁ and X2, show that the following problem can be converted to the following Lasso problem with min ||y - XB||2 + 12||B||² + A1 || B||1, В ... min ||y* - X* 3||2+A1||3||1, ß (X₁₂), where y = (y₁, yn), I is the px p identity matrix, and 0 is a p x 1 vector of zero. X* = y* 0 describe how the elastic net problem can be solved by the LARS solution path: for fixed X₁ and X2, show that the following problem can be converted to the following Lasso problem with min ||y - XB||2 + 12||B||² + A1 || B||1, В ... min ||y* - X* 3||2+A1||3||1, ß (X₁₂), where y = (y₁, yn), I is the px p identity matrix, and 0 is a p x 1 vector of zero. X* = y* 0

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