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Publications

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Journal Article
Chen H, Stasny EA, Wolfe DA.  2006.  An empirical assessment of ranking accuracy in ranked set sampling. Computational Statistics and Data Analysis. 51:1411-1419.
Chen H, Stasny EA, Wolfe DA.  2007.  Improved procedures for estimation of disease prevalence using ranked set sampling. Biometrical Journal. 49(4):530-538.
Chen H, Stasny EA, Wolfe DA.  2005.  Ranked set sampling for efficient estimation of a population proportion. Statistics in Medicine. 24:3319-3329.
Chen H, Stasny EA, Wolfe DA.  2008.  Ranked set sampling for ordered categorical variables. Canadian Journal of Statistics. 36:179-191.
Nahhas RW, Wolfe DA, Chen H.  2002.  Ranked set sampling: cost and optimal set size. Biometrics. 58:964-971.
Nahhas RW, Wolfe DA, Chen H.  2004.  Ranked set sampling: ranking error models and estimation of visual judgment error variance. Biometrical Journal. 46:255-263.
Chen H, Stasny EA, Wolfe DA, MacEachern SN.  2009.  Unbalanced ranked set sampling for estimating a population porportion under imperfect rankings. Communications in Statistics Theory and Methods. 38:2116-2125.
Chen H, Stasny EA, Wolfe DA.  2006.  Unbalanced ranked set sampling for estimating a population proportion. Biometrics. 62:150-158.