The Spline chart type is a Line graph that plots a fitted curve through each data point in a series. Line Charts show how a particular data changes at equal intervals of time.
Splines - Graphically Speaking
Baseline Spline Fit
Data Visualization Best Practices & Cool Chart Examples: DataViz Weekly
Spline Chart using R - GeeksforGeeks
Gephi -- Spline - danryan.us
Spline Graph Data Viz Project
Introducing the New Blazor Spline Range Area Chart
Spline Chart, Basic Charts
GitHub - swharden/Csharp-Data-Visualization: Resources for visualizing data using C# and the .NET platform
80 types of charts & graphs for data visualization (with examples)
INTERPOLATE spline fit (or my suggested LOESS) fit to desired values - JMP User Community
Splines in PyMC3 — PyMC3 documentation
Flutter Spline Area Chart & Graph