![]() This process is experimental and the keywords may be updated as the learning algorithm improves.īarnett, V. These keywords were added by machine and not by the authors. Typically, the robust procedure involves some “trimming” or down-weighting procedure, wherein some fraction of the extreme observations are automatically eliminated or given less weight to guard against the potential effect of outliers. Huber ), primarily procedures for estimating population parameters which are insensitive to the effect of “outliers”, i.e., observations inconsistent with the assumed model of the random process generating the observations. One direction of research activity related to this problem is that of the study of robust statistical procedures (cf. ![]() One of the most vexing of problems in data analysis is the determination of whether or not to discard some observations because they are inconsistent with the rest of the observations and/or the probability distribution assumed to be the underlying distribution of the data.
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