Ido Rosen pointed me to this page by Mike Kamermans.
Reference on splines on multilevel/longitudinal models, anyone? Cheers,
Some more cool (animated!) bezier curve visualizations: http://www.jasondavies.com/animated-bezier/
Reference on splines on multilevel/longitudinal models, anyone? Cheers,
Some more cool (animated!) bezier curve visualizations: http://www.jasondavies.com/animated-bezier/