COVAR: Computer program for multifactor relative risks and tests of hypotheses using a variance-covariance matrix from linear and log-linear regression

Leif E. Peterson

Research output: Contribution to journalArticle

2 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)1-21
Number of pages21
JournalJournal of Statistical Software
Volume2
DOIs
StatePublished - Nov 3 1997
Externally publishedYes

Keywords

  • Confidence Limits
  • Hypothesis Testing
  • Matrix Manipulation
  • Relative Risks

ASJC Scopus subject areas

  • Software
  • Statistics and Probability

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