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stat.ME2026
A unified approach to outlier identification for mixed-type data
Efthymios Costa, Christian Hennig
We present an outlier identification method for mixed type data sets comprising continuous and ordinal variables. We define outliers based on using a multivariate Gaussian distribu…
stat.ME2024
The quantile-based classifier with variable-wise parameters
Marco Berrettini, Christian Hennig, Cinzia Viroli
Quantile-based classifiers can classify high-dimensional observations by minimising a discrepancy of an observation to a class based on suitable quantiles of the within-class distr…