Data smoothing functions include moving average, median filter, and a Gaussian smoothing filter. Interpolations include linear, cubic spline, and a 'flexible spline' that allows you to specify the slope at each data point. Curve fitting functions include polynomial fits and a versatile local regression (loess) function. There are many software and websites available for curve fitting but you don't need. It adds curve fitting, interpolation, and data smoothing functions to Excel. Curve fitting is process of construting a curve that best resembles data. Filters include moving average, Gaussian smoothing and median filtering.ĭata Curve Fit Creator Add-in is an easy-to-use data analysis add-in for Microsoft Excel. Functions include polynomial fits, several types of splines, and local regressions. Adds data curve fitting, interpolation and data smoothing functions to Excel.
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