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STATS FIRTHLOG

Firth logistic regression

This procedure calculates the Firth logistic regression model, which can address the separation issues that can arise in standard logistic regression.


Requirements

  • IBM SPSS Statistics 18 or later and the corresponding IBM SPSS Statistics-Integration Plug-in for R.

Note: For users with IBM SPSS Statistics version 23 or higher, the STATS FIRTHLOG extension is installed as part of IBM SPSS Statistics-Essentials for R.


Installation intructions

  1. Open IBM SPSS Statistics
  2. Navigate to Utilities -> Extension Bundles -> Download and Install Extension Bundles
  3. Search for the name of the extension and click Ok. Your extension will be available.

License

  • Apache 2.0

Contributors

  • JKP, IBM SPSS