`install.packages('mgcv')`

55,559

1.8-40

GPL (>= 2)

March 29th, 2022

Sl.repara

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

Sl.setup

Setting up a list representing a block diagonal penalty matrix

Predict.matrix.soap.film

Prediction matrix for soap film smooth

Sl.inirep

Re-parametrizing model matrix X

Predict.matrix

Prediction methods for smooth terms in a GAM

Predict.matrix.cr.smooth

Predict matrix method functions

betar

GAM beta regression family

Tweedie

GAM Tweedie families

Rrank

Find rank of upper triangular matrix

FFdes

Level 5 fractional factorial designs

bam

Generalized additive models for very large datasets

blas.thread.test

BLAS thread safety

bandchol

Choleski decomposition of a band diagonal matrix

XWXd

Internal functions for discretized model matrix handling

anova.gam

Approximate hypothesis tests related to GAM fits

choose.k

Basis dimension choice for smooths

columb

Reduced version of Columbus OH crime data

cox.ph

Additive Cox Proportional Hazard Model

family.mgcv

Distribution families in mgcv

extract.lme.cov

Extract the data covariance matrix from an lme object

choldrop

Deletion and rank one Cholesky factor update

cox.pht

Additive Cox proportional hazard models with time varying covariates

dDeta

Obtaining derivative w.r.t. linear predictor

bug.reports.mgcv

Reporting mgcv bugs.

cSplineDes

Evaluate cyclic B spline basis

bam.update

Update a strictly additive bam model for new data.

gam.fit

GAM P-IRLS estimation with GCV/UBRE smoothness estimation

concurvity

GAM concurvity measures

gam.fit3

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

fs.test

FELSPLINE test function

full.score

GCV/UBRE score for use within nlm

exclude.too.far

Exclude prediction grid points too far from data

gam.convergence

GAM convergence and performance issues

gam.control

Setting GAM fitting defaults

fix.family.link

Modify families for use in GAM fitting and checking

formula.gam

GAM formula

formXtViX

Form component of GAMM covariance matrix

fixDependence

Detect linear dependencies of one matrix on another

gam.models

Specifying generalized additive models

gam.outer

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

gam2objective

Objective functions for GAM smoothing parameter estimation

gam.vcomp

Report gam smoothness estimates as variance components

gam

Generalized additive models with integrated smoothness estimation

gam.fit5.post.proc

Post-processing output of gam.fit5

gam.mh

Simple posterior simulation with gam fits

gam.selection

Generalized Additive Model Selection

gam.side

Identifiability side conditions for a GAM

get.var

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

gaulss

Gaussian location-scale model family

gevlss

Generalized Extreme Value location-scale model family

ginla

GAM Integrated Nested Laplace Approximation Newton Enhanced

gamm

Generalized Additive Mixed Models

gammals

Gamma location-scale model family

influence.gam

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

gamSim

Simulate example data for GAMs

identifiability

Identifiability constraints

initial.sp

Starting values for multiple smoothing parameter estimation

gamObject

Fitted gam object

gumbls

Gumbel location-scale model family

interpret.gam

Interpret a GAM formula

jagam

Just Another Gibbs Additive Modeller: JAGS support for mgcv.

gamlss.gH

Calculating derivatives of log-likelihood wrt regression coefficients

gamlss.etamu

Transform derivatives wrt mu to derivatives wrt linear predictor

gam.reparam

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

in.out

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

gam.check

Some diagnostics for a fitted gam model

inSide

Are points inside boundary?

gam.scale

Scale parameter estimation in GAMs

ldetS

Getting log generalized determinant of penalty matrices

k.check

Checking smooth basis dimension

magic

Stable Multiple Smoothing Parameter Estimation by GCV or UBRE

mini.roots

Obtain square roots of penalty matrices

new.name

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

mgcv.parallel

Parallel computation in mgcv.

negbin

GAM negative binomial families

mgcv.package

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

mroot

Smallest square root of matrix

mgcv.FAQ

Frequently Asked Questions for package mgcv

mono.con

Monotonicity constraints for a cubic regression spline

notExp

Functions for better-than-log positive parameterization

plot.gam

Default GAM plotting

magic.post.proc

Auxilliary information from magic fit

pdIdnot

Overflow proof pdMat class for multiples of the identity matrix

pdTens

Functions implementing a pdMat class for tensor product smooths

notExp2

Alternative to log parameterization for variance components

ls.size

Size of list elements

missing.data

Missing data in GAMs

logLik.gam

AIC and Log likelihood for a fitted GAM

ldTweedie

Log Tweedie density evaluation

rTweedie

Generate Tweedie random deviates

linear.functional.terms

Linear functionals of a smooth in GAMs

polys.plot

Plot geographic regions defined as polygons

print.gam

Print a Generalized Additive Model object.

model.matrix.gam

Extract model matrix from GAM fit

random.effects

Random effects in GAMs

residuals.gam

Generalized Additive Model residuals

mvn

Multivariate normal additive models

rig

Generate inverse Gaussian random deviates

pcls

Penalized Constrained Least Squares Fitting

rmvn

Generate from or evaluate multivariate normal or t densities.

psum.chisq

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

one.se.rule

The one standard error rule for smoother models

ocat

GAM ordered categorical family

null.space.dimension

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

smooth.construct.bs.smooth.spec

Penalized B-splines in GAMs

s

Defining smooths in GAM formulae

scat

GAM scaled t family for heavy tailed data

qq.gam

QQ plots for gam model residuals

shash

Sinh-arcsinh location scale and shape model family

sdiag

Extract or modify diagonals of a matrix

smooth.construct.ad.smooth.spec

Adaptive smooths in GAMs

smooth.construct.fs.smooth.spec

Factor smooth interactions in GAMs

smooth.construct.ds.smooth.spec

Low rank Duchon 1977 splines

smooth.construct

Constructor functions for smooth terms in a GAM

smooth.construct.gp.smooth.spec

Low rank Gaussian process smooths

smooth.construct.mrf.smooth.spec

Markov Random Field Smooths

smooth.construct.t2.smooth.spec

Tensor product smoothing constructor

smooth.construct.tensor.smooth.spec

Tensor product smoothing constructor

pen.edf

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

predict.bam

Prediction from fitted Big Additive Model model

multinom

GAM multinomial logistic regression

smooth.construct.tp.smooth.spec

Penalized thin plate regression splines in GAMs

smooth.construct.re.smooth.spec

Simple random effects in GAMs

place.knots

Automatically place a set of knots evenly through covariate values

smooth.construct.ps.smooth.spec

P-splines in GAMs

predict.gam

Prediction from fitted GAM model

smooth.construct.cr.smooth.spec

Penalized Cubic regression splines in GAMs

trichol

Choleski decomposition of a tri-diagonal matrix

totalPenaltySpace

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

smooth.info

Generic function to provide extra information about smooth specification

ziplss

Zero inflated (hurdle) Poisson location-scale model family

summary.gam

Summary for a GAM fit

t2

Define alternative tensor product smooths in GAM formulae

vis.gam

Visualization of GAM objects

ziP

GAM zero-inflated (hurdle) Poisson regression family

smooth.terms

Smooth terms in GAM

smooth.construct.sos.smooth.spec

Splines on the sphere

spasm.construct

Experimental sparse smoothers

single.index

Single index models with mgcv

slanczos

Compute truncated eigen decomposition of a symmetric matrix

uniquecombs

find the unique rows in a matrix

step.gam

Alternatives to step.gam

smoothCon

Prediction/Construction wrapper functions for GAM smooth terms

smooth.construct.so.smooth.spec

Soap film smoother constructer

vcov.gam

Extract parameter (estimator) covariance matrix from GAM fit

tensor.prod.model.matrix

Row Kronecker product/ tensor product smooth construction

sp.vcov

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

smooth2random

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

te

Define tensor product smooths or tensor product interactions in GAM formulae

twlss

Tweedie location scale family

trind.generator

Generates index arrays for upper triangular storage