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Splice plots for generalized linear models |
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| Authors: | David Nelson Siamak Noorbaloochi |
| Affiliation: | 1. Minneapolis VA Health Care System and Department of Medicine, University of Minnesota, One Veterans Drive, Minneapolis, MN, USAdave.nelson@va.gov;3. Minneapolis VA Health Care System and Department of Medicine, University of Minnesota, One Veterans Drive, Minneapolis, MN, USA |
| Abstract: | ABSTRACTWe develop splice plots as a diagnostic tool for parametric generalized linear models. Splice plots use the independence of the outcome and explanatory measures given the regression function. Plotting differences between the estimated parametric regression function and non-parametric estimates of the regression function computed in small neighborhoods of the fitted values from the parametric model can be used to assess model fit. |
| Keywords: | Model diagnostics Model selection Sufficient summary. |