期刊
JOURNAL OF EDUCATIONAL AND BEHAVIORAL STATISTICS
卷 32, 期 1, 页码 61-91出版社
SAGE PUBLICATIONS INC
DOI: 10.3102/1076998606298037
关键词
relative importance; normalized Pratt measures; asymptotic variances; Bonferroni intervals; simultaneous confidence intervals
The topic of variable importance in linear regression is reviewed, and a measure first justified theoretically by Pratt (1987) is examined in detail. Asymptotic variance estimates are used to construct individual and simultaneous confidence intervals for these importance measures. A simulation study of their coverage properties is reported, and an example is provided.
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