Mixed GAM Computation Vehicle with Automatic Smoothness Estimation
Evaluate cyclic B spline basis
Obtaining derivative w.r.t. linear predictor
Stable evaluation of difference between normal c.d.f.s
Approximate hypothesis tests related to GAM fits
Generalized additive models for very large datasets
Update a strictly additive bam model for new data.
Factor smooth interactions in GAMs
Choleski decomposition of a band diagonal matrix
GAM beta regression family
BLAS thread safety
Reporting mgcv bugs.
Deletion and rank one Cholesky factor update
Basis dimension choice for smooths
GAM censored normal family for log-normal AFT and Tobit models
GAM concurvity measures
Additive Cox Proportional Hazard Model
Distribution families in mgcv
Additive Cox proportional hazard models with time varying covariates
Exclude prediction grid points too far from data
Extract the data covariance matrix from an lme object
Level 5 fractional factorial designs
Modify families for use in GAM fitting and checking
Detect linear dependencies of one matrix on another
GAM formula
Form component of GAMM covariance matrix
FELSPLINE test function
GCV/UBRE score for use within nlm
Some diagnostics for a fitted gam model
Setting GAM fitting defaults
GAM convergence and performance issues
GAM P-IRLS estimation with GCV/UBRE smoothness estimation
P-IRLS GAM estimation with GCV, UBRE/AIC or RE/ML derivative calculati...
Post-processing output of gam.fit5
Simple posterior simulation with gam fits
Specifying generalized additive models
Minimize GCV or UBRE score of a GAM using `outer' iteration
Generalized additive models with integrated smoothness estimation
Finding stable orthogonal re-parameterization of the square root penal...
Scale parameter estimation in GAMs
Generalized Additive Model Selection
Identifiability side conditions for a GAM
Report gam smoothness estimates as variance components
Objective functions for GAM smoothing parameter estimation
Transform derivatives wrt mu to derivatives wrt linear predictor
Calculating derivatives of log-likelihood wrt regression coefficients
Generalized Additive Mixed Models
Gamma location-scale model family
Fitted gam object
Simulate example data for GAMs
Gaussian location-scale model family
Get named variable or evaluate expression from list or data.frame
Generalized Extreme Value location-scale model family
Grouped families
GAM Integrated Nested Laplace Approximation Newton Enhanced
Gumbel location-scale model family
Identifiability constraints
Which of a set of points lie within a polygon defined region
Extract the diagonal of the influence/hat matrix for a GAM
Starting values for multiple smoothing parameter estimation
Are points inside boundary?
Interpret a GAM formula
Just Another Gibbs Additive Modeller: JAGS support for mgcv.
Checking smooth basis dimension
Getting log generalized determinant of penalty matrices
Log Tweedie density evaluation
Linear functionals of a smooth in GAMs
AIC and Log likelihood for a fitted GAM
Size of list elements
Auxilliary information from magic fit
Stable Multiple Smoothing Parameter Estimation by GCV or UBRE
Frequently Asked Questions for package mgcv
Mixed GAM Computation Vehicle with GCV/AIC/REML/NCV smoothness estimat...
Parallel computation in mgcv.
Obtain square roots of penalty matrices
Missing data in GAMs
Extract model matrix from GAM fit
Monotonicity constraints for a cubic regression spline
Smallest square root of matrix
GAM multinomial logistic regression
Multivariate normal additive models
Neighbourhood Cross Validation
GAM negative binomial families
Obtain a name for a new variable that is not already in use
Functions for better-than-log positive parameterization
Alternative to log parameterization for variance components
The basis of the space of un-penalized functions for a TPRS
GAM ordered categorical family
The one standard error rule for smoother models
Penalized Constrained Least Squares Fitting
Overflow proof pdMat class for multiples of the identity matrix
Functions implementing a pdMat class for tensor product smooths
Extract the effective degrees of freedom associated with each penalty ...
Automatically place a set of knots evenly through covariate values
Default GAM plotting
Plot geographic regions defined as polygons
Prediction from fitted Big Additive Model model
Prediction from fitted GAM model
Predict matrix method functions
Prediction methods for smooth terms in a GAM
Prediction matrix for soap film smooth
Print a Generalized Additive Model object.
Evaluate the c.d.f. of a weighted sum of chi-squared deviates
QQ plots for gam model residuals
Random effects in GAMs
Generalized Additive Model residuals
Generate inverse Gaussian random deviates
Generate from or evaluate multivariate normal or t densities.
Find rank of upper triangular matrix
Generate Tweedie random deviates
Defining smooths in GAM formulae
GAM scaled t family for heavy tailed data
Extract or modify diagonals of a matrix
Sinh-arcsinh location scale and shape model family
Single index models with mgcv
Re-parametrizing model matrix X
Applying re-parameterization from log-determinant of penalty matrix to...
Setting up a list representing a block diagonal penalty matrix
Compute truncated eigen decomposition of a symmetric matrix
Adaptive smooths in GAMs
Penalized B-splines in GAMs
Penalized Cubic regression splines in GAMs
Low rank Duchon 1977 splines
Factor smooth interactions in GAMs
Low rank Gaussian process smooths
Markov Random Field Smooths
P-splines in GAMs
Constructor functions for smooth terms in a GAM
Simple random effects in GAMs
Soap film smoother constructer
Splines on the sphere
Constrained factor smooth interactions in GAMs
Tensor product smoothing constructor
Tensor product smoothing constructor
Penalized thin plate regression splines in GAMs
Generic function to provide extra information about smooth specificati...
Smooth terms in GAM
Convert a smooth to a form suitable for estimating as random effect
Prediction/Construction wrapper functions for GAM smooth terms
Extract smoothing parameter estimator covariance matrix from (RE)ML GA...
Experimental sparse smoothers
Alternatives to step.gam
Summary for a GAM fit
Define alternative tensor product smooths in GAM formulae
Define tensor product smooths or tensor product interactions in GAM fo...
Row Kronecker product/ tensor product smooth construction
Obtaining (orthogonal) basis for null space and range of the penalty m...
Choleski decomposition of a tri-diagonal matrix
Generates index arrays for upper triangular storage
GAM Tweedie families
Tweedie location scale family
find the unique rows in a matrix
Extract parameter (estimator) covariance matrix from GAM fit
Visualization of GAM objects
Internal functions for discretized model matrix handling
GAM zero-inflated (hurdle) Poisson regression family
Zero inflated (hurdle) Poisson location-scale model family
Generalized additive (mixed) models, some of their extensions and other generalized ridge regression with multiple smoothing parameter estimation by (Restricted) Marginal Likelihood, Generalized Cross Validation and similar, or using iterated nested Laplace approximation for fully Bayesian inference. See Wood (2017) <doi:10.1201/9781315370279> for an overview. Includes a gam() function, a wide variety of smoothers, 'JAGS' support and distributions beyond the exponential family.