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Statistics 526 Term 2 1998-99 Smoothing Methods in Regression Lab Material January 12: Methods: in-class handout describes some smoothing methods and applies them to fictitious data January 12: Hatmatrix: calculating weights and effective number of parameters using ksmooth, my function hatmatrix. January 19: Bias: Looking at the bias of the Nadaraya-Watson estimate, with some commands in text for easier transfer to Splus. January 26: Homework discussion: Looking at bandwidths with the Nadaraya-Watson estimate February 2: Derivative estimation using myderiv, locpoly, and female growth data.