Pedigree information may help to more accurately trace shared haplotype segments between reference and test animals before they are used to impute
unknown genotypes (Kong et al.
From the potential outcome framework, evaluation research always poses a missing data problem (Rubin 2002; Imbens and Rubin 2015): Either an evaluator knows the outcome under the treatment state, or he knows the outcome under the untreated state, but she cannot know the outcome for any individual under both conditions, so the evaluator is forced to impute
the outcomes for the unobserved state.
income when the consumer unit reported receiving income but failed to provide a valid value for it.
In this equation y is the variable that we wish to impute
, and we are going to do this using two other variables [x.
It is also possible to impute
a value for any variable that is missing before proceeding with any data analysis.
Our analysis of PACE3 data using MI to impute
APE values < LOD showed that urinary APE concentration was significantly associated with potential pesticide poisoning symptoms.
Most of the techniques use information from the completed cases to impute
a model-based estimate to the cases with missing data.
All expenses for recreation, entertainment or amusement use by "specified individuals" are disallowed unless those individuals impute
the aggregate value as income on their W-2.
The flip-side risk that the IRS may impute
such arrangements to adjust results in situations where the parties did not explicitly so contract remains, with only a very limited IRS disclaimer in the Preamble (see E below).
Also, trial courts routinely impute
income to a mischievous spouse to correct the intentional manipulation of income.
Improvements in the method used to impute
values were implemented in the March 2006 index, along with other changes--including the switch in industry classification from the Standard Industrial Classification (SIC) to the North American Industry Classification System (NAICS), and the switch from the Occupational Classification System (OCS) to the Standard Occupational Classification (SOC).
Description: Find similar records in the database and using them to impute
the missing values.
A simulation study was conducted to identify the best hot-deck variation to impute
Observation: The Tax Court has made it clear that the IRS can impute
interest under Sec.
In step one, multi-pattern (different permutation patterns of missing SF-12 items) regressions were performed to impute
SF-12 PCS and MCS scores (Little and Rubin 1987; Goldstein 1996; StataCorp 1999).