c# - How to replicate what Excel does to plot a Scatter with smooth lines graph - Stack Overflow

I need to replicate an Excel "Scatter with Smooth Lines" graph in code. I'm trying to use a line with Highcharts, so I'm must get the data that Excel uses to build the smooth line. This is Excel

Working With Shapes (Enhanced Shape Engine)

How to Create Scatter with Smooth Lines & Markers Chart in MS Excel 2013

Highcharts Changelog

r - Scatter smooth like in Excel (ggplot2 + plotly) - Stack Overflow

When you use a smoothed line chart, your data is not affected, it's misrepresented!

Excel Scatter Plot shows strange lines - Stack Overflow

1905.13189] A Beginner's Guide to Working with Astronomical Data

c# - smoothing stacked line graph - Stack Overflow

How to graph scatter plot with smooth line as function (1 y-value for each x-value)? - Microsoft Community Hub