MASS7.3-61 package

Support Functions and Datasets for Venables and Ripley's MASS

hubers

Huber Proposal 2 Robust Estimator of Location and/or Scale

gamma.dispersion

Calculate the MLE of the Gamma Dispersion Parameter in a GLM Fit

bcv

Biased Cross-Validation for Bandwidth Selection

hist.scott

Plot a Histogram with Automatic Bin Width Selection

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

boxcox

Box-Cox Transformations for Linear Models

con2tr

Convert Lists to Data Frames for use by lattice

confint

Confidence Intervals for Model Parameters

contr.sdif

Successive Differences Contrast Coding

corresp

Simple Correspondence Analysis

cov.rob

Resistant Estimation of Multivariate Location and Scatter

fractions

Rational Approximation

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

huber

Huber M-estimator of Location with MAD Scale

gamma.shape.glm

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

rlm

Robust Fitting of Linear Models

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

loglm1

Fit Log-Linear Models by Iterative Proportional Scaling -- Internal fu...

logtrans

Estimate log Transformation Parameter

lqs

Resistant Regression

MASS-internal

Internal MASS functions

mca

Multiple Correspondence Analysis

mvrnorm

Simulate from a Multivariate Normal Distribution

negative.binomial

Family function for Negative Binomial GLMs

Null

Null Spaces of Matrices

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

Ordered Logistic or Probit Regression

predict.glmmPQL

Predict Method for glmmPQL Fits

predict.lda

Classify Multivariate Observations by Linear Discrimination

summary.loglm

Summary Method Function for Objects of Class 'loglm'

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'

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.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

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

Functions and datasets to support Venables and Ripley, "Modern Applied Statistics with S" (4th edition, 2002).