We have discussed the basis of linear regression as fitting a straight line through a plot of data. However, there may be circumstances where the relationship between the variables is non-linear (i.e.

PLOT Statement. PLOT < yvariable * xvariable > < =symbol > <... yvariable * xvariable > < =symbol > < / options >; The PLOT statement in PROC REG displays scatter plots with yvariable on the vertical ...

The R package rcssci offers an intuitive solution for visualizing Restricted Cubic Splines (RCS) in regression analyses. It automates the generation of spline plots for outcomes like odds ratios (OR), ...