Abeysekera, W.W.M.Sooriyarachchi, R.2010-07-062010-07-062008-6Journal of the National Science Foundation, 36(2):p.125-135https://dl.nsf.gov.lk/handle/1/6543AIDSHealth surveysStatistical analysisGoodness of fitOrdinal categorical dataProportional odds modelResidual analysisStatisticsA novel method for testing goodness of fit of a proportional odds model:an application to an AIDS studyArticle