Mathematics, 02.03.2020 19:26 brucewaynel1043

Consider the following model:E(Y|X) =β1X1+β2X2+β3X3AssumeX1+X2=X3. Show thatXTXfor this model is not invertible directly, that is, without using thefact that ifXis linearly dependent, thenXTXis linearly dependent.

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Consider the following model:E(Y|X) =β1X1+β2X2+β3X3AssumeX1+X2=X3. Show thatXTXfor this model is not...

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