bigutilsr

R package with utility functions for large-scale data.

For now, package {bigutilsr} mainly includes functions for outlier detection and unbiased PCA projection.

See this blog post on detecting outlier samples in PCA using functions from {bigutilsr}.

Installation

# from CRAN
install.packages("bigutilsr")

# latest version from GitHub
remotes::install_github("privefl/bigutilsr")

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Install

install.packages('bigutilsr')

Monthly Downloads

4,372

Version

0.3.11

License

GPL-3

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Repository

https://github.com/privefl/bigutilsr

Maintainer

Florian Privé

Last Published

July 30th, 2025

Functions in bigutilsr (0.3.11)

hist_out

Outlier detection (histogram)

bigutilsr-package

bigutilsr: Utility Functions for Large-scale Data

covrob_ogk

Robust Location and Scatter Estimation - Ortogonalized Gnanadesikan-Kettenring (OGK)

LOF

Local Outlier Factor (LOF)

covRob

Deprecated

knn_parallel

Find K nearest neighbours for multiple query points

as_model_matrix

Transform a data frame

nclass.scottRob

Compute the Number of Classes for a Histogram

Probabilistic set distance

regul_glasso

Regularization with the graphical lasso

tukey_mc_up

Outlier detection threshold (upper)

solve_linear_system

Solve (A + lam I) x = b

pca_OADP_proj

OADP projection

reexports

Objects exported from other packages

pca_nspike

Number of spikes in PCA

varimax2

Varimax rotation