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'''Hot-Deck Imputation''' replaces missing data with comparable data from the same set.
'''Hot-Deck Imputation''' replaces missing data with comparable data from the same set. "Hot-deck imputation is a means of imputing data, using the data from other observations in the sample at hand." <ref>http://analytics.ncsu.edu/sesug/1999/075.pdf</ref>
Hot-Deck Imputation may be used in the 2010 census. It is controversial for two reasons. First, the Constitution requires [[Actual Enumeration]]. Second, this type of imputation could easily be used to gerrymander districts in a fashion which will favor Obama's reelection.
Hot-Deck Imputation may be used in the 2010 census. It is controversial for two reasons. First, the Constitution requires [[Actual Enumeration]]. Second, this type of imputation could easily be used to gerrymander districts in a fashion which will favor Obama's reelection.
This paper from the U.S. Bureau of the Census describes the Hot-Deck method in detail: http://analytics.ncsu.edu/sesug/1999/075.pdf
This paper from the U.S. Bureau of the Census describes the Hot-Deck method in detail: http://analytics.ncsu.edu/sesug/1999/075.pdf
In surveying adults on probation, the Census Bureau follows a six-step process:
<blockquote>
1. We impute age, race and gender independently.<br>
2. For race, we first try to base imputation on other data (e.g., ethnicity) for the same person.<br>
3. We impute all remaining missing values using only "good" unimputed) data for another person in the same group, or ctrlnum.<br>
4. We use each "good" data value only once for imputation.<br>
5. We work backwards over the ctrlnum; then, if necessary, we work forwards.<br>
6. If no "good" data can be used from within the ctrlnum, we assign some type of "out of range" value.
</blockquote>
==References==
<references/>
[[Category:Census]]
[[Category:Census]]