nl_compare              Built-in model comparison workflow
nl_derivatives          Compute first and second derivatives of the
                        fitted spline curve
nl_fit                  Fit a nonlinear (spline or GAM) single-level or
                        multilevel model
nl_het                  Cluster heterogeneity in nonlinear effects
nl_icc                  Intraclass correlation coefficients for a
                        multilevel nl_fit model
nl_knots                Automatic knot / degrees-of-freedom selection
                        for spline models
nl_plot                 Plot predictions and derivatives from nl_fit
                        models
nl_predict              Generate predictions from an nl_fit model
nl_r2                   Multilevel R-squared decomposition for nl_fit
                        models
nl_summary              Tidy coefficient table for an nl_fit model
nl_turning_points       Identify turning points and inflection regions
print.nl_fit            Print method for nl_fit objects
print.summary_nl_fit    Print method for summary_nl_fit objects
summary.nl_fit          Summary method for nl_fit objects
