Visualization of Spline Effects in GAM and GLM Models R package splineplot version 0.3.0 Creates 'ggplot2'-based visualizations of smooth effects from GAM (Generalized Additive Models) fitted with 'mgcv' and spline effects from GLM (Generalized Linear Models). Supports survey-weighted models ('svyglm', 'svycoxph') from the 'survey' package, interaction terms, and provides hazard ratio plots with histograms for survival analysis. Wood (2017, ISBN:9781498728331) provides comprehensive methodology for generalized additive models. Software Imports: ggplot2 (>= 3.0.0), splines, stats Suggests: mgcv, survival, survey, testthat (>= 3.0.0), knitr, rmarkdown, covr, pkgdown Jinseob Kim <jinseob2kim@gmail.com> Comprehensive R Archive Network (CRAN) Jinseob Kim [aut, cre] (ORCID: <https://orcid.org/0000-0002-9403-605X>), Zarathu [cph, fnd] Apache License 2.0 2026-03-30 application/tgz https://CRAN.R-project.org/package=splineplot doi:10.32614/CRAN.package.splineplot