+.vcmm_ss               Additive aggregation of sufficient-statistics
                        summaries
accumulate_stats        Add one batch or node statistics to a running
                        accumulator
build_kronecker_precision
                        Build the Kronecker-structured random-effect
                        precision matrix
build_penalty_matrix    Build a B-spline second-order difference
                        penalty matrix
build_vcmm_design       Build the design matrix and penalty for a VCMM
coef.vcmm_fit           Fixed-effects coefficient vector from a vcmm
                        fit
compute_sufficient_stats
                        Compute one batch or node sufficient statistics
                        for a normal linear VCMM
estimate_kronecker_components
                        Moment-based estimator for the Kronecker left
                        component
fit_csl                 Fit a VCMM via the one-step CSL estimator
fit_from_summaries      Fit a VCMM from aggregated
                        sufficient-statistics summaries
fit_ss                  Fit a VCMM via the sufficient-statistics
                        estimator
fixef                   Extract fixed-effects from a fitted model
                        object
fixef.vcmm_fit          Fixed effects of a VCMM, reshaped by
                        varying-coefficient block
init_accumulator        Initialize an empty sufficient-statistics
                        accumulator
invert_matrix           Numerically stable matrix inversion with
                        automatic method selection
logLik.vcmm_fit         Log-likelihood of a vcmm fit
nobs.vcmm_fit           Number of observations from a vcmm fit
node_summary            Compute one node's sufficient-statistics
                        summary
plot.vcmm_fit           Diagnostic plots for a vcmm fit
predict.vcmm_fit        Predictions from a fitted VCMM
ranef                   Extract random effects from a fitted model
                        object
ranef.vcmm_fit          Random effects of a VCMM, reshaped by re_cov
                        structure
summary.vcmm_fit        Summarise a vcmm fit
varying_coef            Evaluate the varying coefficient(s) at new t
                        values
vcmm                    Fit a Varying Coefficient Mixed-Effects Model
vcmm_control            Control parameters for VCMM fitting
vcov.vcmm_fit           Variance-covariance matrix of the fixed-effects
                        from a vcmm fit
