The existence of missing observation in the data collected particularly in different fields of study cause researchers to make incorrect decisions at analysis stage and in generalizations of the results. Problems and solutions which are possible to be encountered at the estimation stage of missing observations were emphasized in this study. In estimating the missing observations, missing observations were assumed to be missing at random and Markov Chain Monte Carlo technique and multiple imputation method were applied. Consequently, results of the multiple imputation performed after data set was logarithmically transformed produced the closest result to the original data.
机构:
Univ Washington, Dept Epidemiol, Seattle, WA 98195 USA
Univ Washington, Harborview Injury Prevent & Res Ctr, Seattle, WA 98195 USAUniv Washington, Dept Epidemiol, Seattle, WA 98195 USA
机构:
Univ Arizona, Tucson, AZ 85721 USA
Univ Missouri, Dept Stat, Columbia, MO USAUniv Arizona, Tucson, AZ 85721 USA
Chen, Ling
Toma-Drane, Mariana
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Univ South Carolina, Columbia, SC USA
Norman J Arnold, Sch Publ Hlth, Dept Hlth Promot Educ & Behavior, Norman, OK USAUniv Arizona, Tucson, AZ 85721 USA
Toma-Drane, Mariana
Valois, Robert F.
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Univ South Carolina, Columbia, SC USA
Amer Acad Hlth Behav, Los Angeles, CA USA
USC, Hlth Promot Educ & Behav, Los Angeles, CA USAUniv Arizona, Tucson, AZ 85721 USA
Valois, Robert F.
Drane, J. Wanzer
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Univ South Carolina, Columbia, SC USA
USC, Biostatist, Los Angeles, CA USA
Amer Acad Hlth Behav, Los Angeles, CA USAUniv Arizona, Tucson, AZ 85721 USA