R package drm

A package for R for combined regression and association modelling of repeated/clustered categorical responses

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    Package available on CRAN (Feb 14, 2007): write in R prompt


    Download: CRAN

    NOTE! As this package is free (GPL 2 or later), it comes with absolutely no warranty.
    Version summary

    References for multivariate binary and ordinal response

    1. Ekholm A, Smith PWF, McDonald JW. Marginal regression analysis of a multivariate binary response. Biometrika 1995; 82(4):847-854.
    2. Ekholm A, McDonald JW, Smith, PWF. Association models for a multivariate binary response. Biometrics 2000; 56:712-718.
    3. Ekholm A, Jokinen J, Kilpi T. Combining regression and association modelling for longitudinal data on bacterial carriage. Statistics in Medicine 2002; 21:773-791
    4. Ekholm A, Jokinen J, McDonald JW, Smith PWF. Joint regression and association modelling for longitudinal ordinal data. Biometrics 2003; 59:795-803.
    5. Jokinen J, McDonald JW, Smith PWF. Meaningful regression and association models for clustered ordinal data. Sociological Methodology 2006; 36:173-199.
    6. Jokinen J. Fast estimation algorithm for likelihood-based analysis of repeated categorical responses. Computational Statistics and Data Analysis 2006; 51:1509-1522.
    7. Jokinen J. Joint Regression and Association Models for Repeated Categorical Responses. Doctoral dissertation, February 2007. University of Helsinki.

    See also:

  • Ekholm A, Jokinen J, McDonald JW, Smith PW. A latent class model for bivariate binary responses from twins. In press, 2011. Source code.

    For standard regression for binary and ordinal responses in R, see glm and polr.
    Most recent update Sept 12 2011. Jukka Jokinen (email: firstname.surname 'at' helsinki.fi)