PIRLS: Poisson iteratively reweighted least squares computer program for additive, multiplicative, power, and non-linear models

Leif E. Peterson

Research output: Contribution to journalArticle

Abstract

A computer program to estimate Poisson regression coefficients, standard errors, Pearson X2 and deviance goodness of fit (and residuals), leverages, and Freeman-Tukey, standardized, and deletion residuals for additive, multiplicative, power, and non-linear models is described. Data used by the program must be stored and input from a disk file. The output file contains an optional list of the input data, observed and fitted count data (deaths or cases), coefficients, standard errors, relative risks and 95% confidence intervals, variance-covariance matrix, correlation matrix, goodness of fit statistics, and residuals for regression diagnostics.

Original languageEnglish (US)
Pages (from-to)1-28
Number of pages28
JournalJournal of Statistical Software
Volume2
DOIs
StatePublished - Nov 3 1997

Keywords

  • Iteratively Reweighted Least Squares
  • Matrix Manipulation
  • Poisson Regression
  • Regression Diagnostics

ASJC Scopus subject areas

  • Software
  • Statistics and Probability

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