plot.outCoDa {robCompositions} | R Documentation |
Plots the Mahalanobis distance.
## S3 method for class 'outCoDa': plot(x, y, ...)
x |
object from class ‘outCoDa’ |
y |
... |
... |
... |
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.
Matthias Templ
Filzmoser, P., and Hron, K. (2008) Outlier detection for compositional data using robust methods. Math. Geosciences, 40 233-248.
data(expenditures) oD <- outCoDa(expenditures) oD plot(oD)