[R] Piecewise continuous Poisson regression

Achim Zeileis Achim.Zeileis at R-project.org
Fri Apr 7 13:58:37 CEST 2017

On Fri, 7 Apr 2017, Sorkin, John wrote:

> Is there an R package that will perform a piecewise continuous Poisson 
> regression? I want to model two linear segments that intersect at a 
> common knot.

The "segmented" package implements such broken stick regressions based on 
either "lm" or "glm" models. The latter include Poisson regression.

> Thank you,
> John
> John David Sorkin M.D., Ph.D.
> Professor of Medicine
> Chief, Biostatistics and Informatics
> University of Maryland School of Medicine Division of Gerontology and Geriatric Medicine
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> (Phone) 410-605-7119
> (Fax) 410-605-7913 (Please call phone number above prior to faxing)
> 	[[alternative HTML version deleted]]
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