Sequential Outlier Identification for Model-Based Clustering

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Documentation for package ‘outlierMBC’ version 0.0.1

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backtrack Move backwards from the minimum to a more conservative solution.
backtrack_gmm Fit a Gaussian mixture model to the backtrack solution.
backtrack_lcwm Fit a linear cluster-weighted model to the backtrack solution.
distrib_diff_gmm Compute the dissimilarity for a Gaussian mixture model and identify the lowest density observation.
distrib_diff_lcwm Compute the dissimilarity for a linear cluster-weighted model and identify the lowest density observation.
distrib_diff_lcwm_g Compute the dissimilarity for a single component of a Linear CWM.
distrib_diff_mahalanobis Compute the dissimilarity for a single multivariate Gaussian distribution.
distrib_diff_residual Compute the response dissimilarity for a single component of a Linear CWM.
find_gross Find gross outliers.
get_init_z Obtain an initial clustering as a component assignment matrix.
gmm_k3n1000o10 Simulated data set consisting of 1000 observations from 3 Gaussian components and 10 outliers.
gmm_k3n2000o20 Simulated data set consisting of 2000 observations from 3 Gaussian components and 20 outliers.
gmm_k3n4000o40 Simulated data set consisting of 4000 observations from 3 Gaussian components and 40 outliers.
lcwm_k3n1000o10 Simulated data set consisting of 1000 observations from 3 Gaussian components and 10 outliers.
lcwm_k3n2000o20 Simulated data set consisting of 2000 observations from 3 Gaussian components and 20 outliers.
lcwm_k3n4000o40 Simulated data set consisting of 4000 observations from 3 Gaussian components and 40 outliers.
new_outliermbc_gmm Constructor for '"outliermbc_gmm"' S3 class.
new_outliermbc_lcwm Constructor for "outliermbc_lcwm" S3 object.
ombc_gmm Sequentially identify outliers while fitting a Gaussian mixture model.
ombc_lcwm Sequentially identify outliers while fitting a linear cluster-weighted model.
plot.outliermbc_gmm plot method for '"outliermbc_gmm"' S3 class.
plot.outliermbc_lcwm plot method for '"outliermbc_lcwm"' S3 class.
plot_backtrack Plot the dissimilarity curve showing the backtrack solution.
plot_comparison Plot multiple dissimilarity curves.
plot_comparison_bic Plot multiple dissimilarity curves.
plot_curve Plot the dissimilarity curve.
plot_selection Plot dissimilarity values for multiple solutions.
print.outliermbc_gmm print method for '"outliermbc_gmm"' S3 class.
print.outliermbc_lcwm print method for '"outliermbc_lcwm"' S3 class.
simulate_gmm Simulate data from a Gaussian mixture model with outliers.
simulate_lcwm Simulate data from a linear cluster-weighted model with outliers.
test_outlier_ombc Check if a new sample satisfies the outlier criteria.
try_mixture_gpcm Run 'mixture::gpcm' and try alternative covariance structures or initialisations if necessary.
uniform_outlier_ombc Produce a single sample that passes the outlier checks.
uniform_sample_lcwm Sample a potential outlier.
uniform_spans_lcwm Obtain the span of the observations for each component.
validate_outliermbc_gmm Validator for '"outliermbc_gmm"' S3 class.
validate_outliermbc_lcwm Validator for '"outliermbc_lcwm"' S3 class.