General Approaches to Stepwise Identification of Unusual Values in Data Analysis
作者： Jeffrey S. Simonoff
DOI: 10.1007/978-1-4612-4444-8_13
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摘要: One of the general goals in data analysis is identification unusual values. This can be done indirectly (after performing a robust analysis) or directly (via some detection procedure). paper summarizes backwards-stepping approach to values set. has advantages simplicity application, flexibility, and resistance masking effects. Application univariate, multivariate, regression data, as well other problems, discussed. Simulations are used investigate properties this strategy for analysis. It shown that using appropriate procedures considerably more effective than indirect
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