Man pages for MultiSpline
Spline-Based Nonlinear Modeling for Multilevel and Longitudinal Data

nl_compareBuilt-in model comparison workflow
nl_derivativesCompute first and second derivatives of the fitted spline...
nl_fitFit a nonlinear (spline or GAM) single-level or multilevel...
nl_hetCluster heterogeneity in nonlinear effects
nl_iccIntraclass correlation coefficients for a multilevel nl_fit...
nl_knotsAutomatic knot / degrees-of-freedom selection for spline...
nl_plotPlot predictions and derivatives from nl_fit models
nl_predictGenerate predictions from an nl_fit model
nl_r2Multilevel R-squared decomposition for nl_fit models
nl_summaryTidy coefficient table for an nl_fit model
nl_turning_pointsIdentify turning points and inflection regions
print.nl_fitPrint method for nl_fit objects
print.summary_nl_fitPrint method for summary_nl_fit objects
summary.nl_fitSummary method for nl_fit objects
MultiSpline documentation built on April 16, 2026, 9:06 a.m.