Measuring goodness of fit in logistic regression Using R

SOURCE : http://www.medicine.mcgill.ca/epidemiology/joseph/courses/epib-621/logfit.pdf

This is a good summary on the measure of the goodness of fit in logistic regression. The data can be searched online. It was based on the icu data available from the Hosmer-Lemeshow logistic regression book

The analysis in R.

The discussion is on:

  1. Chi-square goodness of fit tests and deviance
  2. Hosmer-Lemeshow tests
  3. Classification tables
  4. ROC curves
  5. Logistic regression R2
  6. Model validation via an outside data set or by splitting a data set

PDF can be downloaded here: logfit

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