“trimmed mean”的概念、定义、翻译、参考文献-科学参考

trimmed mean

Statistics

A robust estimate of the population mean. For a sample of size n, with data ordered so that x₍₁₎≤x₍₂₎≤⋯≤x_(n), the trimmed mean, x¯_k, is the mean of the data if the k smallest values and the k largest values are discarded (with 1≤k < ½n). So $trimmed mean$ The idea is to avoid the influence of extreme observations. The method was proposed by Tukey in 1962.
Tukey also proposed the Winsorized mean, named after his former colleague Charles P. Winsor, who had died in 1951. In this case the k smallest values are replaced by x_(k) and the k largest are replaced by x_(n−k+1) to give the estimate w_k: $trimmed mean$

单词	trimmed mean
释义	trimmed mean Statistics A robust estimate of the population mean. For a sample of size n, with data ordered so that x₍₁₎≤x₍₂₎≤⋯≤x_(n), the trimmed mean, x¯_k, is the mean of the data if the k smallest values and the k largest values are discarded (with 1≤k < ½n). So $trimmed mean$ The idea is to avoid the influence of extreme observations. The method was proposed by Tukey in 1962. Tukey also proposed the Winsorized mean, named after his former colleague Charles P. Winsor, who had died in 1951. In this case the k smallest values are replaced by x_(k) and the k largest are replaced by x_(n−k+1) to give the estimate w_k: $trimmed mean$
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