A robust outlier identification algorithm for mixed continuous-ordinal data that extends the Minimum Covariance Determinant estimator to latent Gaussian models for ordinals, supported by a breakdown theorem and simulation results.
Testing normality of latent variables in the polychoric correlation , volume=
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A unified approach to outlier identification for mixed-type data
A robust outlier identification algorithm for mixed continuous-ordinal data that extends the Minimum Covariance Determinant estimator to latent Gaussian models for ordinals, supported by a breakdown theorem and simulation results.