Sep 29 2020 05:28 PM
What is the underlying process used by Excel to calculate the polynomial trendline for an x-y scatter plot? It gives you an equation y= ax^n + .... but I need to know the process Excel uses to get that.
Jan 16 2021 02:02 PM
I have the same question. Sorry to see that you did not get an answer here. Did you find out from another source?