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
+
+
==Imputation in the United States Census==
"Although imputation was used in the 1940 and 1950 censuses to determine characteristics of the population, it was not used to determine the actual population count for apportionment purposes until 1960." <ref>''Utah v. Evans'', 182 F. Supp. 2d 1165 (2001)</ref>
"Although imputation was used in the 1940 and 1950 censuses to determine characteristics of the population, it was not used to determine the actual population count for apportionment purposes until 1960." <ref>''Utah v. Evans'', 182 F. Supp. 2d 1165 (2001)</ref>