Predict.matrix Prediction methods for smooth terms in a GAM Predict.matrix.cr.smooth Predict matrix method functions Tweedie GAM Tweedie family anova.gam Hypothesis tests related to GAM fits bam Generalized additive models for very large datasets cSplineDes Evaluate cyclic B spline basis choose.k Basis dimension choice for smooths exclude.too.far Exclude prediction grid points too far from data extract.lme.cov Extract the data covariance matrix from an lme object fix.family.link Modify families for use in GAM fitting fixDependence Detect linear dependencies of one matrix on another formXtViX Form component of GAMM covariance matrix formula.gam GAM formula full.score GCV/UBRE score for use within nlm gam Generalized additive models with integrated smoothness estimation gam.check Some diagnostics for a fitted gam model gam.control Setting GAM fitting defaults gam.convergence GAM convergence and performance issues gam.fit GAM P-IRLS estimation with GCV/UBRE smoothness estimation gam.fit3 P-IRLS GAM estimation with GCV & UBRE/AIC or RE/ML derivative calculation gam.models Specifying generalized additive models gam.outer Minimize GCV or UBRE score of a GAM using 'outer' iteration gam.selection Generalized Additive Model Selection gam.side Identifiability side conditions for a GAM gam2objective Objective functions for GAM smoothing parameter estimation gamObject Fitted gam object gamSim Simulate example data for GAMs gamm Generalized Additive Mixed Models get.var Get named variable or evaluate expression from list or data.frame influence.gam Extract the diagonal of the influence/hat matrix for a GAM initial.sp Starting values for multiple smoothing parameter estimation interpret.gam Interpret a GAM formula ldTweedie Log Tweedie density evaluation linear.functional.terms Linear functionals of a smooth in GAMs logLik.gam Extract the log likelihood for a fitted GAM ls.size Size of list elements magic Stable Multiple Smoothing Parameter Estimation by GCV or UBRE, with optional fixed penalty magic.post.proc Auxilliary information from magic fit mgcv Multiple Smoothing Parameter Estimation by GCV or UBRE mgcv-package GAMs with GCV/AIC/REML smoothness estimation and GAMMs by REML/PQL mgcv.control Setting mgcv defaults model.matrix.gam Extract model matrix from GAM fit mono.con Monotonicity constraints for a cubic regression spline mroot Smallest square root of matrix negbin GAM negative binomial family new.name Obtain a name for a new variable that is not already in use notExp Functions for better-than-log positive parameterization notExp2 Alternative to log parameterization for variance components null.space.dimension The basis of the space of un-penalized functions for a TPRS pcls Penalized Constrained Least Squares Fitting pdIdnot Overflow proof pdMat class for multiples of the identity matrix pdTens Functions implementing a pdMat class for tensor product smooths place.knots Automatically place a set of knots evenly through covariate values plot.gam Default GAM plotting predict.gam Prediction from fitted GAM model print.gam Print a Generalized Additive Model object. residuals.gam Generalized Additive Model residuals rig Generate inverse Gaussian random deviates s Defining smooths in GAM formulae smooth.construct Constructor functions for smooth terms in a GAM smooth.construct.ad.smooth.spec Adaptive smooths in GAMs smooth.construct.cr.smooth.spec Penalized Cubic regression splines in GAMs smooth.construct.ps.smooth.spec P-splines in GAMs smooth.construct.tensor.smooth.spec Tensor product smoothing constructor smooth.construct.tp.smooth.spec Penalized thin plate regression splines in GAMs smooth.terms Smooth terms in GAM smoothCon Prediction/Construction wrapper functions for GAM smooth terms sp.vcov Extract smoothing parameter estimator covariance matrix from (RE)ML GAM fit step.gam Alternatives to step.gam summary.gam Summary for a GAM fit te Define tensor product smooths in GAM formulae tensor.prod.model.matrix Utility functions for constructing tensor product smooths uniquecombs find the unique rows in a matrix vcov.gam Extract parameter (estimator) covariance matrix from GAM fit vis.gam Visualization of GAM objects