How to automatically select a smooth curve for a scatter plot in

My last blog post described three ways to add a smoothing spline to a scatter plot in SAS. I ended the post with a cautionary note: From a statistical point of view, the smoothing spline is less than ideal because the smoothing parameter must be chosen manually by the user.

microsoft excel - Eliminate the appearance of a dip when plotting increasing data with smoothing - Super User

Scatterplot chart options, Looker

Scatterplot chart options, Looker

Joining Points on Scatter plot using Smooth Lines in R - GeeksforGeeks

Solved Plot a scatter graph with smooth line through data

How to shade the area under a normal curve in an Excel chart?

Scatterplot chart options, Looker

The Graph Window - FlowJo Documentation FlowJo Documentation - Documentation for FlowJo, SeqGeq, and FlowJo Portal

Scatter Plots - R Base Graphs - Easy Guides - Wiki - STHDA