Curve fitting

Least Squares Method Excel

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How Least Squares regression works Plotting data for curve fit When you have measured data points in an assay you can plot these in a graph for example in Excel. The x value are values you know, like concentration values of the calibrators. You can then plot your measured values as y values. This can be absorbance, light units or whatever measurement parameter you have. Line of best fit Least squares method uses the distance from the data points to the line of best fit Curve fitting can be used to fit the line of best fit to these points. The line of best fit can be a straight line with function y= A + […]