Chapter 5: Matrix Approaches to Simple Linear Regression
Chapter 5: Matrix Approaches to Simple Linear Regression
Chapter 5: Matrix Approaches to Simple Linear Regression
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Residuals● The Residuals can also be computed using matrices.Overview<strong>Matrix</strong> AlgebraAlgebraMore Matrices● We can obtain the residual matrix (vec<strong>to</strong>r really) by thefollowing:e = Y − ŶGeneral <strong>Linear</strong>ModelOther <strong>Matrix</strong>Products➤ More Matrices➤ The One➤ Means➤ Fitted Values➤ Residuals➤ SSCP➤ Covariance <strong>Matrix</strong>➤ CorrelationMatrices➤ Sums of Squares➤ SquaredCorrelation➤ b VarianceWrapping Lecture 17 UpPsychology 790