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This book offers an easy-to-read introduction to the theoretical underpinnings of analysis of missing data, provides clear, step-by-step instructions for performing state-of-the-art multiple imputation analyses, and offers practical advice, based on over 20 years' experience, for avoiding and troubleshooting problems. For more advanced readers, unique discussions of attrition, non-Monte-Carlo techniques for simulations involving missing data, evaluation of the benefits of auxiliary variables, and highly cost-effective planned missing data designs are provided. Most analysis described in the book are conducted using the well-known statistical software packages SAS and SPSS, supplemented by Norm 2.03 and associated Java-based automation utilities. |
Missing Data.pdf :: Unduh