Level 5 fractional factorial designs
Applying re-parameterization from log-determinant of penalty matrix to
model matrix.
Setting up a list representing a block diagonal penalty matrix
Find rank of upper triangular matrix
GAM beta regression family
GAM Tweedie families
Re-parametrizing model matrix X
Prediction methods for smooth terms in a GAM
Prediction matrix for soap film smooth
Predict matrix method functions
Reporting mgcv bugs.
Basis dimension choice for smooths
Deletion and rank one Cholesky factor update
Evaluate cyclic B spline basis
Update a strictly additive bam model for new data.
Generalized additive models for very large datasets
Modify families for use in GAM fitting and checking
BLAS thread safety
Detect linear dependencies of one matrix on another
Additive Cox proportional hazard models with time varying covariates
Distribution families in mgcv
Additive Cox Proportional Hazard Model
Choleski decomposition of a band diagonal matrix
GAM concurvity measures
Reduced version of Columbus OH crime data
Extract the data covariance matrix from an lme object
Internal functions for discretized model matrix handling
Approximate hypothesis tests related to GAM fits
Obtaining derivative w.r.t. linear predictor
Exclude prediction grid points too far from data
Form component of GAMM covariance matrix
GAM P-IRLS estimation with GCV/UBRE smoothness estimation
Generalized additive models with integrated smoothness estimation
FELSPLINE test function
Setting GAM fitting defaults
GAM formula
GAM convergence and performance issues
GCV/UBRE score for use within nlm
Objective functions for GAM smoothing parameter estimation
Report gam smoothness estimates as variance components
Identifiability side conditions for a GAM
P-IRLS GAM estimation with GCV \& UBRE/AIC or RE/ML derivative calculation
Generalized Additive Model Selection
Minimize GCV or UBRE score of a GAM using `outer' iteration
Specifying generalized additive models
Simple posterior simulation with gam fits
Post-processing output of gam.fit5
Some diagnostics for a fitted gam model
Finding stable orthogonal re-parameterization of the square root penalty.
Scale parameter estimation in GAMs
Calculating derivatives of log-likelihood wrt regression coefficients
Transform derivatives wrt mu to derivatives wrt linear predictor
Simulate example data for GAMs
Fitted gam object
Generalized Additive Mixed Models
GAM Integrated Nested Laplace Approximation Newton Enhanced
Gaussian location-scale model family
Generalized Extreme Value location-scale model family
Gamma location-scale model family
Get named variable or evaluate expression from list or data.frame
Gumbel location-scale model family
Which of a set of points lie within a polygon defined region
Are points inside boundary?
Identifiability constraints
Checking smooth basis dimension
Log Tweedie density evaluation
Just Another Gibbs Additive Modeller: JAGS support for mgcv.
Interpret a GAM formula
Extract the diagonal of the influence/hat matrix for a GAM
Starting values for multiple smoothing parameter estimation
AIC and Log likelihood for a fitted GAM
Size of list elements
Multivariate normal additive models
Frequently Asked Questions for package mgcv
Obtain square roots of penalty matrices
Mixed GAM Computation Vehicle with GCV/AIC/REML smoothness estimation and GAMMs by REML/PQL
GAM multinomial logistic regression
Monotonicity constraints for a cubic regression spline
Getting log generalized determinant of penalty matrices
Parallel computation in mgcv.
Smallest square root of matrix
Obtain a name for a new variable that is not already in use
GAM negative binomial families
Extract the effective degrees of freedom associated with each penalty in a gam fit
Automatically place a set of knots evenly through covariate values
Missing data in GAMs
Default GAM plotting
Extract model matrix from GAM fit
Print a Generalized Additive Model object.
Linear functionals of a smooth in GAMs
Plot geographic regions defined as polygons
The basis of the space of un-penalized functions for a TPRS
Generate inverse Gaussian random deviates
Overflow proof pdMat class for multiples of the identity matrix
Prediction from fitted Big Additive Model model
Evaluate the c.d.f. of a weighted sum of chi-squared deviates
Stable Multiple Smoothing Parameter Estimation by GCV or UBRE
Functions implementing a pdMat class for tensor product smooths
Auxilliary information from magic fit
Generate from or evaluate multivariate normal or t densities.
Sinh-arcsinh location scale and shape model family
Prediction from fitted GAM model
GAM ordered categorical family
Single index models with mgcv
Extract or modify diagonals of a matrix
Compute truncated eigen decomposition of a symmetric matrix
smooth.construct.ad.smooth.spec
Adaptive smooths in GAMs
Constructor functions for smooth terms in a GAM
smooth.construct.bs.smooth.spec
Penalized B-splines in GAMs
smooth.construct.cr.smooth.spec
Penalized Cubic regression splines in GAMs
Generate Tweedie random deviates
QQ plots for gam model residuals
Functions for better-than-log positive parameterization
Defining smooths in GAM formulae
Penalized Constrained Least Squares Fitting
GAM scaled t family for heavy tailed data
The one standard error rule for smoother models
Random effects in GAMs
Generalized Additive Model residuals
Alternative to log parameterization for variance components
smooth.construct.ds.smooth.spec
Low rank Duchon 1977 splines
smooth.construct.t2.smooth.spec
Tensor product smoothing constructor
smooth.construct.tensor.smooth.spec
Tensor product smoothing constructor
smooth.construct.mrf.smooth.spec
Markov Random Field Smooths
smooth.construct.gp.smooth.spec
Low rank Gaussian process smooths
smooth.construct.fs.smooth.spec
Factor smooth interactions in GAMs
smooth.construct.ps.smooth.spec
P-splines in GAMs
smooth.construct.re.smooth.spec
Simple random effects in GAMs
Experimental sparse smoothers
Generic function to provide extra information about smooth specification
smooth.construct.sos.smooth.spec
Splines on the sphere
smooth.construct.so.smooth.spec
Soap film smoother constructer
Prediction/Construction wrapper functions for GAM smooth terms
Summary for a GAM fit
smooth.construct.tp.smooth.spec
Penalized thin plate regression splines in GAMs
Extract smoothing parameter estimator covariance matrix from (RE)ML GAM fit
Define alternative tensor product smooths in GAM formulae
Convert a smooth to a form suitable for estimating as random effect
Smooth terms in GAM
find the unique rows in a matrix
Extract parameter (estimator) covariance matrix from GAM fit
GAM zero-inflated (hurdle) Poisson regression family
Visualization of GAM objects
Generates index arrays for upper triangular storage
Tweedie location scale family
Zero inflated (hurdle) Poisson location-scale model family
Define tensor product smooths or tensor product interactions in GAM formulae
Row Kronecker product/ tensor product smooth construction
Alternatives to step.gam
Choleski decomposition of a tri-diagonal matrix
Obtaining (orthogonal) basis for null space and range of the penalty matrix