P-IRLS GAM estimation with GCV & UBRE/AIC or RE/ML derivative calculation
Prediction from fitted GAM model
Auxilliary information from magic fit
QQ plots for gam model residuals
Form component of GAMM covariance matrix
Extract the diagonal of the influence/hat matrix for a GAM
Specifying generalized additive models
smooth.construct.tensor.smooth.spec
Tensor product smoothing constructor
Summary for a GAM fit
Update a strictly additive bam model for new data.
GAM formula
Fitted gam object
Modify families for use in GAM fitting and checking
Get named variable or evaluate expression from list or data.frame
Prediction methods for smooth terms in a GAM
Alternative to log parameterization for variance components
Generate Tweedie random deviates
smooth.construct.re.smooth.spec
Simple random effects in GAMs
GAM Tweedie family
Generalized additive models with integrated smoothness estimation
Log Tweedie density evaluation
Alternatives to step.gam
Automatically place a set of knots evenly through covariate values
Extract the effective degrees of freedom associated with each penalty in a gam fit
Which of a set of points lie within a polygon defined region
Some diagnostics for a fitted gam model
Approximate hypothesis tests related to GAM fits
Plot geographic regions defined as polygons
The basis of the space of un-penalized functions for a TPRS
Compute truncated eigen decomposition of a symmetric matrix
smooth.construct.sos.smooth.spec
Splines on the sphere
GCV/UBRE score for use within nlm
Prediction from fitted Big Additive Model model
Random effects in GAMs
smooth.construct.mrf.smooth.spec
Markov Random Field Smooths
smooth.construct.fs.smooth.spec
Factor smooth interactions in GAMs
GAM P-IRLS estimation with GCV/UBRE smoothness estimation
Extract the log likelihood for a fitted GAM
Smooth terms in GAM
Mixed GAM Computation Vehicle with GCV/AIC/REML smoothness estimation and GAMMs by REML/PQL
Define alternative tensor product smooths in GAM formulae
GAM concurvity measures
Extract parameter (estimator) covariance matrix from GAM fit
Functions for better-than-log positive parameterization
Prediction/Construction wrapper functions for GAM smooth terms
Detect linear dependencies of one matrix on another
Reduced version of Columbus OH crime data
Simulate example data for GAMs
smooth.construct.cr.smooth.spec
Penalized Cubic regression splines in GAMs
Default GAM plotting
Extract model matrix from GAM fit
smooth.construct.ps.smooth.spec
P-splines in GAMs
Basis dimension choice for smooths
Report gam smoothness estimates as variance components
Size of list elements
Extract the data covariance matrix from an lme object
Generate inverse Gaussian random deviates
Extract smoothing parameter estimator covariance matrix from (RE)ML GAM fit
Define tensor product smooths in GAM formulae
Objective functions for GAM smoothing parameter estimation
Utility functions for constructing tensor product smooths
Predict matrix method functions
smooth.construct.ds.smooth.spec
Low rank Duchon 1977 splines
Generalized additive models for very large datasets
Evaluate cyclic B spline basis
Generalized Additive Model Selection
Print a Generalized Additive Model object.
smooth.construct.ad.smooth.spec
Adaptive smooths in GAMs
Smallest square root of matrix
Obtain a name for a new variable that is not already in use
GAM convergence and performance issues
Setting GAM fitting defaults
Interpret a GAM formula
Monotonicity constraints for a cubic regression spline
GAM negative binomial family
Linear functionals of a smooth in GAMs
Experimental sparse smoothers
Generalized Additive Mixed Models
Identifiability side conditions for a GAM
Generalized Additive Model residuals
Defining smooths in GAM formulae
Constructor functions for smooth terms in a GAM
Minimize GCV or UBRE score of a GAM using `outer' iteration
Starting values for multiple smoothing parameter estimation
Stable Multiple Smoothing Parameter Estimation by GCV or UBRE
Frequently Asked Questions for package mgcv
Overflow proof pdMat class for multiples of the identity matrix
smooth.construct.tp.smooth.spec
Penalized thin plate regression splines in GAMs
Visualization of GAM objects
Penalized Constrained Least Squares Fitting
Exclude prediction grid points too far from data
Functions implementing a pdMat class for tensor product smooths
find the unique rows in a matrix