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COVAR: Computer Program for Multifactor Relative Risks and Tests of Hypotheses Using a Variance-Covariance Matrix from Linear and Log-Linear Regression

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  • Peterson, Leif E.

Abstract

A computer program for multifactor relative risks, confidence limits, and tests of hypotheses using regression coefficients and a variance-covariance matrix obtained from a previous additive or multiplicative regression analysis is described in detail. Data used by the program can be stored and input from an external disk-file or entered via the keyboard. The output contains a list of the input data, point estimates of single or joint effects, confidence intervals and tests of hypotheses based on a minimum modified chi-square statistic. Availability of the program is also discussed.

Suggested Citation

  • Peterson, Leif E., 1997. "COVAR: Computer Program for Multifactor Relative Risks and Tests of Hypotheses Using a Variance-Covariance Matrix from Linear and Log-Linear Regression," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 2(i04).
    • Handle: RePEc:jss:jstsof:v:002:i04
    DOI: http://hdl.handle.net/10.18637/jss.v002.i04
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