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robustbase (version 0.4-4)

Basic Robust Statistics

Description

"Essential" Robust Statistics. The goal is to provide tools allowing to analyze data with robust methods. This includes regression methodology including model selections and multivariate statistics where we strive to cover the book "Robust Statistics, Theory and Methods" by Maronna, Martin and Yohai; Wiley 2006.

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Version

Install

install.packages('robustbase')

Monthly Downloads

90,995

Version

0.4-4

License

GPL (>= 2)

Maintainer

Martin Maechler

Last Published

February 5th, 2026

Functions in robustbase (0.4-4)

ambientNOxCH

Daily Means of NOx (mono-nitrogen oxides) in air
huberM

Safe (generalized) Huber M-Estimator of Location
possumDiv

Possum Diversity Data
plot.mcd

Robust Distance Plots
bushfire

Campbell Bushfire Data
milk

Daudin's Milk Composition Data
heart

Heart Catherization Data
functionXal-class

Class "functionXal" of Functionals (of Psi-like functions)
anova.glmrob

Analysis of Robust Quasi-Deviance for "glmrob" Objects
Sn

Robust Location-Free Scale Estimate More Efficient than MAD
aircraft

Aircraft Data
starsCYG

Hertzsprung-Russell Diagram Data of Star Cluster CYG OB1
adjboxStats

Statistics for Skewness-adjusted Boxplots
covMcd

Robust Location and Scatter Estimation via MCD
SiegelsEx

Siegel's Exact Fit Example Data
los

Length of Stay Data
pulpfiber

Pulp Fiber and Paper Data
chgDefaults-methods

Methods for Function chgDefaults() in Package `robustbase'
condroz

Condroz Data
adjbox

Plot an Adjusted Boxplot for Skew Distributions
delivery

Delivery Time Data
glmrob

Robust Fitting of Generalized Linear Models
summarizeRobWeights

Print a Nice "summary" of Robustness Weights
lmrob..M..fit

Compute M-estimators of regression
salinity

Salinity Data
summary.glmrob

Summarizing Robust Fits of Generalized Linear Models
tukeyPsi1

Tukey's Bi-square Score (Psi) Function and Derivative
exAM

Example Data of Antille and May - for Simple Regression
cloud

Cloud point of a Liquid
phosphor

Phosphorus Content Data
internals

Internal Functions
lmrob.control

Tuning parameters for lmrob
summary.mcd

Summary Method for MCD objects
covOGK

Orthogonalized Gnanadesikan-Kettenring (OGK) Covariance Matrix Estimation
tolEllipsePlot

Tolerance Ellipse Plot
adjOutlyingness

Compute Skewness-adjusted Multivariate Outlyingness
radarImage

Satellite Radar Image Data from near Munich
mc

Medcouple, a Robust Measure of Skewness
summary.nlrob

Summarizing Robust Fits of Nonlinear Regression Models
carrots

Insect Damages on Carrots
scaleTau2

Robust Tau-Estimate of Scale
nlrob

Robust Fitting of Nonlinear Regression Models
lactic

Lactic Acid Concentration Measurement Data
psi_func-class

Class of "Psi Functions" for M-Estimation
functionX-class

Class "functionX" of Psi-like Vectorized Functions
summary.lts

Summary Method for LTS objects
vaso

Vaso Constriction Data Set
wood

Modified Data on Wood Specific Gravity
tukeyChi

Tukey's "Chi", the Bi-square Loss (Rho) Function
wgt.himedian

Weighted Hi-Median
CrohnD

Crohn's Disease Adverse Events Data
summary.lmrob

Summary Method for "lmrob" Objects
pilot

Pilot-Plant Data
toxicity

Toxicity of Carboxylic Acids Data
cushny

Cushny and Peebles Prolongation of Sleep Data
lmrob

MM-Estimators for Linear Regression
psiFunc

Constructor for Objects "Psi Function" Class
glmrobMqle.control

Auxiliary for Controlling Robust GLM Fitting by the Method "Mqle"
h.alpha.n

Compute h, the subsample size for MCD and LTS
lmrob.S

S-regression estimators
plot.lmrob

Plot Method for "lmrob" Objects
plot.lts

Robust LTS Regression Diagnostic Plots
NOxEmissions

NOx Air Pollution Data
coleman

Coleman Data Set
Qn

Robust Location-Free Scale Estimate More Efficient than MAD
lmrob.fit.MM

MM-estimator for regression
airmay

Air Quality Data
ltsReg

Least Trimmed Squares Robust (High Breakdown) Regression
alcohol

Alcohol Solubility in Water Data
anova.lmrob

Analysis of Robust Deviances ('anova') for "lmrob" Objects
print.lmrob

Print Method for Objects of Class "lmrob"
epilepsy

Epilepsy Attacks Data Set
pension

Pension Funds Data
telef

Number of International Calls from Belgium
rrcov.control

Control object for the estimation parameters
education

Education Expenditure Data
Animals2

Brain and Body Weights for 65 Species of Land Animals
kootenay

(Modified) Waterflow Measurements of Kootenay River in Libby and Newgate
hbk

Hawkins, Bradu, Kass's Artificial Data