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Working with missing data: Imputation of nonresponse items in categorical survey data with a non-monotone missing pattern
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نویسنده
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wilson m.d. ,lueck k.
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منبع
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journal of applied mathematics - 2014 - دوره : 2014 - شماره : 0
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چکیده
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The imputation of missing data is often a crucial step in the analysis of survey data. this study reviews typical problems with missing data and discusses a method for the imputation of missing survey data with a large number of categorical variables which do not have a monotone missing pattern. we develop a method for constructing a monotone missing pattern that allows for imputation of categorical data in data sets with a large number of variables using a model-based mcmc approach. we report the results of imputing the missing data from a case study,using educational,sociopsychological,and socioeconomic data from the national latino and asian american study (nlaas). we report the results of multiply imputed data on a substantive logistic regression analysis predicting socioeconomic success from several educational,sociopsychological,and familial variables. we compare the results of conducting inference using a single imputed data set to those using a combined test over several imputations. findings indicate that,for all variables in the model,all of the single tests were consistent with the combined test. © 2014 machelle d. wilson and kerstin lueck.
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آدرس
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department of public health sciences,division of biostatistics,university of california,davis,davis, United States, social psychology,university of adelaide,adelaide,sa,australia,department of integration and conflict,max planck institute, Germany
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Authors
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