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

Leif E. Peterson

    Research output: Contribution to journalArticlepeer-review

    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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