Information on package 'MASS' Description: Package: MASS Priority: recommended Version: 7.3-60 Date: 2023-05-02 Revision: $Rev: 3621 $ Depends: R (>= 4.0), grDevices, graphics, stats, utils Imports: methods Suggests: lattice, nlme, nnet, survival Authors@R: c(person("Brian", "Ripley", role = c("aut", "cre", "cph"), email = "ripley@stats.ox.ac.uk"), person("Bill", "Venables", role = "ctb"), person(c("Douglas", "M."), "Bates", role = "ctb"), person("Kurt", "Hornik", role = "trl", comment = "partial port ca 1998"), person("Albrecht", "Gebhardt", role = "trl", comment = "partial port ca 1998"), person("David", "Firth", role = "ctb")) Description: Functions and datasets to support Venables and Ripley, "Modern Applied Statistics with S" (4th edition, 2002). Title: Support Functions and Datasets for Venables and Ripley's MASS LazyData: yes ByteCompile: yes License: GPL-2 | GPL-3 URL: http://www.stats.ox.ac.uk/pub/MASS4/ Contact: NeedsCompilation: yes Packaged: 2023-05-02 16:42:41 UTC; ripley Author: Brian Ripley [aut, cre, cph], Bill Venables [ctb], Douglas M. Bates [ctb], Kurt Hornik [trl] (partial port ca 1998), Albrecht Gebhardt [trl] (partial port ca 1998), David Firth [ctb] Maintainer: Brian Ripley Repository: CRAN Date/Publication: 2023-05-04 07:32:21 UTC Built: R 4.3.1; x86_64-pc-linux-gnu; 'Thu, 29 Jun 2023 02:14:15 +0000'; unix Index: Functions: ========= Null Null Spaces of Matrices addterm Try All One-Term Additions to a Model anova.negbin Likelihood Ratio Tests for Negative Binomial GLMs area Adaptive Numerical Integration bandwidth.nrd Bandwidth for density() via Normal Reference Distribution bcv Biased Cross-Validation for Bandwidth Selection boxcox Box-Cox Transformations for Linear Models con2tr Convert Lists to Data Frames for use by lattice confint-MASS Confidence Intervals for Model Parameters contr.sdif Successive Differences Contrast Coding corresp Simple Correspondence Analysis cov.rob Resistant Estimation of Multivariate Location and Scatter cov.trob Covariance Estimation for Multivariate t Distribution denumerate Transform an Allowable Formula for 'loglm' into one for 'terms' dose.p Predict Doses for Binomial Assay model dropterm Try All One-Term Deletions from a Model eqscplot Plots with Geometrically Equal Scales fitdistr Maximum-likelihood Fitting of Univariate Distributions fractions Rational Approximation gamma.dispersion Calculate the MLE of the Gamma Dispersion Parameter in a GLM Fit gamma.shape Estimate the Shape Parameter of the Gamma Distribution in a GLM Fit ginv Generalized Inverse of a Matrix glm.convert Change a Negative Binomial fit to a GLM fit glm.nb Fit a Negative Binomial Generalized Linear Model glmmPQL Fit Generalized Linear Mixed Models via PQL hist.scott Plot a Histogram with Automatic Bin Width Selection huber Huber M-estimator of Location with MAD Scale hubers Huber Proposal 2 Robust Estimator of Location and/or Scale isoMDS Kruskal's Non-metric Multidimensional Scaling kde2d Two-Dimensional Kernel Density Estimation lda Linear Discriminant Analysis ldahist Histograms or Density Plots of Multiple Groups lm.gls Fit Linear Models by Generalized Least Squares lm.ridge Ridge Regression loglm Fit Log-Linear Models by Iterative Proportional Scaling logtrans Estimate log Transformation Parameter lqs Resistant Regression mca Multiple Correspondence Analysis mvrnorm Simulate from a Multivariate Normal Distribution negative.binomial Family function for Negative Binomial GLMs newcomb Newcomb's Measurements of the Passage Time of Light pairs.lda Produce Pairwise Scatterplots from an 'lda' Fit parcoord Parallel Coordinates Plot plot.lda Plot Method for Class 'lda' plot.mca Plot Method for Objects of Class 'mca' polr Proportional Odds Logistic Regression predict.lda Classify Multivariate Observations by Linear Discrimination predict.lqs Predict from an lqs Fit predict.mca Predict Method for Class 'mca' predict.qda Classify from Quadratic Discriminant Analysis profile.glm Method for Profiling glm Objects qda Quadratic Discriminant Analysis rational Rational Approximation renumerate Convert a Formula Transformed by 'denumerate' rlm Robust Fitting of Linear Models rms.curv Relative Curvature Measures for Non-Linear Regression rnegbin Simulate Negative Binomial Variates sammon Sammon's Non-Linear Mapping stdres Extract Standardized Residuals from a Linear Model stepAIC Choose a model by AIC in a Stepwise Algorithm studres Extract Studentized Residuals from a Linear Model summary.loglm Summary Method Function for Objects of Class 'loglm' summary.negbin Summary Method Function for Objects of Class 'negbin' summary.rlm Summary Method for Robust Linear Models theta.md Estimate theta of the Negative Binomial by Deviance theta.ml Estimate theta of the Negative Binomial by Maximum Likelihood theta.mm Estimate theta of the Negative Binomial by Moments truehist Plot a Histogram ucv Unbiased Cross-Validation for Bandwidth Selection width.SJ Bandwidth Selection by Pilot Estimation of Derivatives write.matrix Write a Matrix or Data Frame Datasets: ======== Aids2 Australian AIDS Survival Data Animals Brain and Body Weights for 28 Species Boston Housing Values in Suburbs of Boston Cars93 Data from 93 Cars on Sale in the USA in 1993 Cushings Diagnostic Tests on Patients with Cushing's Syndrome DDT DDT in Kale GAGurine Level of GAG in Urine of Children Insurance Numbers of Car Insurance claims Melanoma Survival from Malignant Melanoma OME Tests of Auditory Perception in Children with OME Pima.tr Diabetes in Pima Indian Women Rabbit Blood Pressure in Rabbits Rubber Accelerated Testing of Tyre Rubber SP500 Returns of the Standard and Poors 500 Sitka Growth Curves for Sitka Spruce Trees in 1988 Sitka89 Growth Curves for Sitka Spruce Trees in 1989 Skye AFM Compositions of Aphyric Skye Lavas Traffic Effect of Swedish Speed Limits on Accidents UScereal Nutritional and Marketing Information on US Cereals UScrime The Effect of Punishment Regimes on Crime Rates VA Veteran's Administration Lung Cancer Trial abbey Determinations of Nickel Content accdeaths Accidental Deaths in the US 1973-1978 anorexia Anorexia Data on Weight Change bacteria Presence of Bacteria after Drug Treatments beav1 Body Temperature Series of Beaver 1 beav2 Body Temperature Series of Beaver 2 biopsy Biopsy Data on Breast Cancer Patients birthwt Risk Factors Associated with Low Infant Birth Weight cabbages Data from a cabbage field trial caith Colours of Eyes and Hair of People in Caithness cats Anatomical Data from Domestic Cats cement Heat Evolved by Setting Cements chem Copper in Wholemeal Flour coop Co-operative Trial in Analytical Chemistry cpus Performance of Computer CPUs crabs Morphological Measurements on Leptograpsus Crabs deaths Monthly Deaths from Lung Diseases in the UK drivers Deaths of Car Drivers in Great Britain 1969-84 eagles Foraging Ecology of Bald Eagles epil Seizure Counts for Epileptics farms Ecological Factors in Farm Management fgl Measurements of Forensic Glass Fragments forbes Forbes' Data on Boiling Points in the Alps galaxies Velocities for 82 Galaxies gehan Remission Times of Leukaemia Patients genotype Rat Genotype Data geyser Old Faithful Geyser Data gilgais Line Transect of Soil in Gilgai Territory hills Record Times in Scottish Hill Races housing Frequency Table from a Copenhagen Housing Conditions Survey immer Yields from a Barley Field Trial leuk Survival Times and White Blood Counts for Leukaemia Patients mammals Brain and Body Weights for 62 Species of Land Mammals mcycle Data from a Simulated Motorcycle Accident menarche Age of Menarche in Warsaw michelson Michelson's Speed of Light Data minn38 Minnesota High School Graduates of 1938 motors Accelerated Life Testing of Motorettes muscle Effect of Calcium Chloride on Muscle Contraction in Rat Hearts newcomb Newcomb's Measurements of the Passage Time of Light nlschools Eighth-Grade Pupils in the Netherlands npk Classical N, P, K Factorial Experiment npr1 US Naval Petroleum Reserve No. 1 data oats Data from an Oats Field Trial painters The Painter's Data of de Piles petrol N. L. Prater's Petrol Refinery Data phones Belgium Phone Calls 1950-1973 quine Absenteeism from School in Rural New South Wales road Road Accident Deaths in US States rotifer Numbers of Rotifers by Fluid Density ships Ships Damage Data shoes Shoe wear data of Box, Hunter and Hunter shrimp Percentage of Shrimp in Shrimp Cocktail shuttle Space Shuttle Autolander Problem snails Snail Mortality Data steam The Saturated Steam Pressure Data stormer The Stormer Viscometer Data survey Student Survey Data synth.tr Synthetic Classification Problem topo Spatial Topographic Data waders Counts of Waders at 15 Sites in South Africa whiteside House Insulation: Whiteside's Data wtloss Weight Loss Data from an Obese Patient