'Simpler models' presentation slideshows

Presented by Ryan Klafehn and Aaron Festinger Department of Mathematics

277 views • 17 slides

Cross-validation for the selection of statistical models

Cross-validation for the selection of statistical models. Simon J. Mason Michael K. Tippett IRI. The Model Selection Problem. Given: Family of models M a and observations. Question: Which model to use? Goals: Maximize predictive ability given limited observations.

149 views • 13 slides

LOGLINEAR MODEL FITTING: LIKELIHOOD EQUATIONS

LOGLINEAR MODEL FITTING: LIKELIHOOD EQUATIONS. For the general loglinear model. this simplifies to. For simpler models , certain parameters are zero and (8.20) simplifies. The fitted values for a model are solutions to the likelihood equations.

146 views • 6 slides

Using uncertainty to test model complexity

Using uncertainty to test model complexity . Barry Croke. Concept . Possible to test whether a model has an appropriate complexity through analysis of scatter in residuals Take the standard deviation of the uncertainty distribution as a measure of uncertainty

181 views • 5 slides