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This paper discusses various types of imputation as well as their benefits and problems: http://nces.ed.gov/StatProg/2002/appendixb3.asp
This paper discusses various types of imputation as well as their benefits and problems: http://nces.ed.gov/StatProg/2002/appendixb3.asp
==The Flaws of Imputation==
All methods of imputation are less-than-ideal. "Kalton and Kasprzyk, 1982...cautioned that imputation methods do not necessarily lead to a reduction in bias, relative to the incomplete data set. And, they warned against the danger of analysts treating the "complete" cases as actual responses, thus overstating the precision of the survey estimates." <ref>http://nces.ed.gov/StatProg/2002/appendixb3.asp</ref>
==Imputation in the United States Census==
==Imputation in the United States Census==