`install.packages('mgcv')`

55,559

1.9-0

GPL (>= 2)

July 11th, 2023

Sl.setup

Setting up a list representing a block diagonal penalty matrix

Sl.repara

Applying re-parameterization from log-determinant of penalty matrix to
model matrix.

cSplineDes

Evaluate cyclic B spline basis

Tweedie

GAM Tweedie families

XWXd

Internal functions for discretized model matrix handling

cox.pht

Additive Cox proportional hazard models with time varying covariates

Predict.matrix.cr.smooth

Predict matrix method functions

cox.ph

Additive Cox Proportional Hazard Model

Predict.matrix.soap.film

Prediction matrix for soap film smooth

bug.reports.mgcv

Reporting mgcv bugs.

choldrop

Deletion and rank one Cholesky factor update

bam.update

Update a strictly additive bam model for new data.

blas.thread.test

BLAS thread safety

anova.gam

Approximate hypothesis tests related to GAM fits

columb

Reduced version of Columbus OH crime data

bam

Generalized additive models for very large datasets

concurvity

GAM concurvity measures

dDeta

Obtaining derivative w.r.t. linear predictor

dpnorm

Stable evaluation of difference between normal c.d.f.s

bandchol

Choleski decomposition of a band diagonal matrix

choose.k

Basis dimension choice for smooths

cnorm

GAM censored normal family for log-normal AFT and Tobit models

fix.family.link

Modify families for use in GAM fitting and checking

fs.test

FELSPLINE test function

fixDependence

Detect linear dependencies of one matrix on another

gam.reparam

Finding stable orthogonal re-parameterization of the square root penalty.

gam.scale

Scale parameter estimation in GAMs

formXtViX

Form component of GAMM covariance matrix

formula.gam

GAM formula

gam.control

Setting GAM fitting defaults

gam.fit5.post.proc

Post-processing output of gam.fit5

gam.mh

Simple posterior simulation with gam fits

exclude.too.far

Exclude prediction grid points too far from data

gamm

Generalized Additive Mixed Models

gam

Generalized additive models with integrated smoothness estimation

gammals

Gamma location-scale model family

full.score

GCV/UBRE score for use within nlm

extract.lme.cov

Extract the data covariance matrix from an lme object

gam.convergence

GAM convergence and performance issues

gam.selection

Generalized Additive Model Selection

gamlss.gH

Calculating derivatives of log-likelihood wrt regression coefficients

gamlss.etamu

Transform derivatives wrt mu to derivatives wrt linear predictor

identifiability

Identifiability constraints

in.out

Which of a set of points lie within a polygon defined region

inSide

Are points inside boundary?

gam.check

Some diagnostics for a fitted gam model

gam.fit

GAM P-IRLS estimation with GCV/UBRE smoothness estimation

jagam

Just Another Gibbs Additive Modeller: JAGS support for mgcv.

gam.fit3

P-IRLS GAM estimation with GCV, UBRE/AIC or RE/ML derivative calculation

gam.side

Identifiability side conditions for a GAM

gaulss

Gaussian location-scale model family

influence.gam

Extract the diagonal of the influence/hat matrix for a GAM

k.check

Checking smooth basis dimension

linear.functional.terms

Linear functionals of a smooth in GAMs

gamObject

Fitted gam object

logLik.gam

AIC and Log likelihood for a fitted GAM

get.var

Get named variable or evaluate expression from list or data.frame

model.matrix.gam

Extract model matrix from GAM fit

gamSim

Simulate example data for GAMs

factor.smooth

Factor smooth interactions in GAMs

ginla

GAM Integrated Nested Laplace Approximation Newton Enhanced

ldTweedie

Log Tweedie density evaluation

mono.con

Monotonicity constraints for a cubic regression spline

null.space.dimension

The basis of the space of un-penalized functions for a TPRS

notExp2

Alternative to log parameterization for variance components

mini.roots

Obtain square roots of penalty matrices

family.mgcv

Distribution families in mgcv

ldetS

Getting log generalized determinant of penalty matrices

missing.data

Missing data in GAMs

magic.post.proc

Auxilliary information from magic fit

mgcv.FAQ

Frequently Asked Questions for package mgcv

initial.sp

Starting values for multiple smoothing parameter estimation

interpret.gam

Interpret a GAM formula

predict.gam

Prediction from fitted GAM model

gumbls

Gumbel location-scale model family

rTweedie

Generate Tweedie random deviates

print.gam

Print a Generalized Additive Model object.

shash

Sinh-arcsinh location scale and shape model family

single.index

Single index models with mgcv

smooth.construct.cr.smooth.spec

Penalized Cubic regression splines in GAMs

ocat

GAM ordered categorical family

mroot

Smallest square root of matrix

mgcv.package

Mixed GAM Computation Vehicle with GCV/AIC/REML/NCV smoothness estimation and GAMMs by REML/PQL

mgcv.parallel

Parallel computation in mgcv.

gam.models

Specifying generalized additive models

random.effects

Random effects in GAMs

gam.outer

Minimize GCV or UBRE score of a GAM using `outer' iteration

smooth.construct.ds.smooth.spec

Low rank Duchon 1977 splines

smooth.construct.fs.smooth.spec

Factor smooth interactions in GAMs

multinom

GAM multinomial logistic regression

new.name

Obtain a name for a new variable that is not already in use

notExp

Functions for better-than-log positive parameterization

smooth.construct.t2.smooth.spec

Tensor product smoothing constructor

smooth.construct.tensor.smooth.spec

Tensor product smoothing constructor

gam.vcomp

Report gam smoothness estimates as variance components

gam2objective

Objective functions for GAM smoothing parameter estimation

mvn

Multivariate normal additive models

smooth.construct.gp.smooth.spec

Low rank Gaussian process smooths

gevlss

Generalized Extreme Value location-scale model family

place.knots

Automatically place a set of knots evenly through covariate values

smooth.construct.tp.smooth.spec

Penalized thin plate regression splines in GAMs

smooth.info

Generic function to provide extra information about smooth specification

ziplss

Zero inflated (hurdle) Poisson location-scale model family

one.se.rule

The one standard error rule for smoother models

negbin

GAM negative binomial families

totalPenaltySpace

Obtaining (orthogonal) basis for null space and range of the penalty matrix

pdTens

Functions implementing a pdMat class for tensor product smooths

plot.gam

Default GAM plotting

gfam

Grouped families

pen.edf

Extract the effective degrees of freedom associated with each penalty in a gam fit

ls.size

Size of list elements

residuals.gam

Generalized Additive Model residuals

psum.chisq

Evaluate the c.d.f. of a weighted sum of chi-squared deviates

trichol

Choleski decomposition of a tri-diagonal matrix

qq.gam

QQ plots for gam model residuals

rmvn

Generate from or evaluate multivariate normal or t densities.

slanczos

Compute truncated eigen decomposition of a symmetric matrix

uniquecombs

find the unique rows in a matrix

rig

Generate inverse Gaussian random deviates

s

Defining smooths in GAM formulae

smooth.construct

Constructor functions for smooth terms in a GAM

pcls

Penalized Constrained Least Squares Fitting

magic

Stable Multiple Smoothing Parameter Estimation by GCV or UBRE

smooth.construct.mrf.smooth.spec

Markov Random Field Smooths

pdIdnot

Overflow proof pdMat class for multiples of the identity matrix

vcov.gam

Extract parameter (estimator) covariance matrix from GAM fit

polys.plot

Plot geographic regions defined as polygons

smooth.terms

Smooth terms in GAM

predict.bam

Prediction from fitted Big Additive Model model

smooth.construct.ps.smooth.spec

P-splines in GAMs

smooth.construct.sos.smooth.spec

Splines on the sphere

smooth.construct.re.smooth.spec

Simple random effects in GAMs

scat

GAM scaled t family for heavy tailed data

sdiag

Extract or modify diagonals of a matrix

smooth.construct.sz.smooth.spec

Constrained factor smooth interactions in GAMs

smooth2random

Convert a smooth to a form suitable for estimating as random effect

smooth.construct.ad.smooth.spec

Adaptive smooths in GAMs

smooth.construct.so.smooth.spec

Soap film smoother constructer

spasm.construct

Experimental sparse smoothers

summary.gam

Summary for a GAM fit

step.gam

Alternatives to step.gam

te

Define tensor product smooths or tensor product interactions in GAM formulae

t2

Define alternative tensor product smooths in GAM formulae

tensor.prod.model.matrix

Row Kronecker product/ tensor product smooth construction

trind.generator

Generates index arrays for upper triangular storage

twlss

Tweedie location scale family

smooth.construct.bs.smooth.spec

Penalized B-splines in GAMs

smoothCon

Prediction/Construction wrapper functions for GAM smooth terms

sp.vcov

Extract smoothing parameter estimator covariance matrix from (RE)ML GAM fit

vis.gam

Visualization of GAM objects

ziP

GAM zero-inflated (hurdle) Poisson regression family

Rrank

Find rank of upper triangular matrix

Sl.inirep

Re-parametrizing model matrix X

betar

GAM beta regression family

FFdes

Level 5 fractional factorial designs

NCV

Neighbourhood Cross Validation

Predict.matrix

Prediction methods for smooth terms in a GAM