# Utility Functions for Large-scale Data

## Documentation for package ‘bigutilsr’ version 0.3.11

- DESCRIPTION file.

## Help Pages

as_model_matrix | Transform a data frame
covRob | Deprecated
covrob_ogk | Robust Location and Scatter Estimation - Ortogonalized Gnanadesikan-Kettenring (OGK)
dist_ogk | Robust Location and Scatter Estimation - Ortogonalized Gnanadesikan-Kettenring (OGK)
geometric_median | Geometric median
hist_out | Outlier detection (histogram)
knn_parallel | Find K nearest neighbours for multiple query points
LOF | Local Outlier Factor (LOF)
maha_trans | Transform matrix
nclass.scottRob | Compute the Number of Classes for a Histogram
pca_nspike | Number of spikes in PCA
pca_OADP_proj | OADP projection
pca_OADP_proj2 | OADP projection
predict.Procrustes | Predict method
prob_dist | Probabilistic set distance
procrustes | Procrustes transform
regul_glasso | Regularization with the graphical lasso
rollmean | Gaussian smoothing
solve_linear_system | Solve (A + lam I) x = b
tukey_mc_up | Outlier detection threshold (upper)
varimax2 | Varimax rotation