| all_crossterms | Create crossterms from two matrices |
| cov_nnls | Estimate non-negative diagonal terms on G matrix |
| fui | Fast Univariate Inference for Longitudinal Functional Models |
| G_estimate | Estimate covariance of random components G(s1, s2) |
| G_estimate_randint | Special case of estimating covariance of random components G(s1, s2) |
| G_generate | Creates the design matrix that allows for estimation of G |
| plot_fui | Default FUI plotting |
| pspline_setting | pspline.setting.R from refund |
| select_knots | select_knots.R from refund package |
| unimm | Fit a univariate mixed model |