# MultiSpline 0.1.1
\dontrun{} with \donttest{} and
fully runnable examples using built-in data (mtcars) in response to CRAN
reviewer feedbacknl_fit() for fitting nonlinear single-level and
multilevel modelsnl_summary() for structured coefficient outputnl_predict() for predictions with uncertainty
intervalsnl_plot() for visualization of nonlinear effectsnl_icc() for intraclass correlation estimation