Segmented standard least squares regression
How can I perform a standard least square regression at specific values of my x axis? For more context - I plot voltage against current and at values -10A -5A 5A 10A I need a standard least regression model of so many points around these values. I imagine getting either 4 dots or 4 small lines on my data to represent this. I have JMP 17 pro and currently do it for all of the data set however this ...