The dashed line indicates the (1 - alpha) quantile of the Chi-squared distribution. Observations with Mahalanobis distance greater than this quantile could be considered as compositional outliers.
虚线表示的卡方分布的分位数(1 - α)。观测与马哈拉诺比斯距离大于这位数可以被视为组成离群值。
(作者)----------Author(s)----------
Matthias Templ
参考文献----------References----------
Outlier detection for compositional data using robust methods. Math. Geosciences, 40 233-248.
参见----------See Also----------
outCoDa
outCoDa
实例----------Examples----------
data(expenditures)
oD <- outCoDa(expenditures)
oD
plot(oD)