Description Usage Arguments Value Author(s) Examples
Calculates the weighted oulyingness based on orthogonal weighted by inverse core distances.
1 | weightedLocOut(LocOut)
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lo |
Object calculated by getLocOut. Must be a list, including od and cd, two matrices of orthogonal and score distances for each observation (rows) and each projection (columns). |
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A univariate measure for outlyingness of each observation |
Thomas Ortner (thomas.ortner@tuwien.ac.at)
1 2 3 4 5 6 7 8 9 10 11 12 13 | library(lop)
LocOut <- getLocOut(glass$data, k=20, alpha=0.5)
w <- weightedLocOut(LocOut)
plot(w, col=glass$group)
#Note that group one, even though considered as a consistant
#group in the original publication, holds additional structure,
#identified as outliers. For more details on the data set see
#Lemberge, P., De Raedt, I., Janssens, K. H., Wei, F., and
#Van Espen, P. J. (2000). Quantitative analysis of 16–17th
#century archaeological glass vessels using pls regression of
#epxma and μ-xrf data. Journal of Chemometrics, 14(5-6):751–763.
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