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# hw02 - s 2 ^ 2 Obtain the matrix P using PROC IML or R Show...

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STA 6207 – Fall 2011 Homework #2 – Due Wednesday 9/21/11 1) Using Problem 1.9, set up and compute the following matrices (by hand and using PROC IML in SAS or R ): X, Y, X’X, X’Y, (X’X) -1 , ^ β , ^ Y , e,
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Unformatted text preview: s 2 ( ^ ) 2) Obtain the matrix P using PROC IML or R . Show that P1 = 1 where 1 is a 8x1 column vector of 1’s (You can show this using PROC IML or R ). 3) RPD: Chapter 3 Problems: 1,3,4,5...
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