Journal
INFORMATION SCIENCES
Volume 259, Issue -, Pages 596-610Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2010.12.017
Keywords
Nearest neighbor imputation; Complete-case; Incomplete-case; Software measurement data
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k nearest neighbor imputation (kNNI) is one of the most popular methods in empirical software engineering for imputing missing values. kNNI typically uses only complete cases as possible donors for imputation (called complete case kNNI or CCkNNI). Though it often produces reasonable results, CCkNNI is severely limited when the amount of missing data is large (and hence the number of complete cases is small). In response, a variant of CCkNNI called incomplete case k nearest neighbor imputation (ICkNNI) has been proposed as an attractive alternative. This work presents a detailed simulation comparing CCI
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