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                            Library & Multimedia
 Multiple Imputation for Missing Values in Homicide Incident Data: An Evaluation Using Unique Test Data
NCJ Number
              254018
Journal

*Homicide Studies* Volume: 22 Issue: 4 Dated: 2018 Pages: 391-409
Author(s)
          John M. Roberts;
                        Aki Roberts
Date Published

2018
Length
              19 pages
Annotation
              Since incident-level homicide datasets, such as the Supplementary Homicide Reports (SHR), commonly exhibit missing data, the current study evaluated multiple imputation methods (that produce multiple completed datasets, across which imputed values may vary) via unique data that included actual values from police agency incident reports of seemingly missing SHR data.
Abstract
              This permitted evaluation under a real, not assumed or simulated, missing data mechanism. The study compared analytic results based on multiple imputed and actual data; multiple imputation rather successfully recovered victim-offender relationship distributions and regression coefficients that hold in the actual data. Results are encouraging for users of multiple imputation, though it is still important to minimize the extent of missing information in SHR and similar data. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2013-R2-CX-0038


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Research (Applied/Empirical)
                                Report (Study/Research)
                                Report (Grant Sponsored)
                                Program/Project Description


  
  
        
  Award
        Multiple Imputation for the Supplementary Homicide Reports: Evaluation in Unique Test Data
    
  
  
Date Published: January 1, 2018
    
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