Data Curve Fit Creator Add-in 2.3

Adds data curve fitting, interpolation and data smoothing functions to Excel. Functions include polynomial fits, several types of splines, and local regressions. Filters include moving average, Gaussian smoothing and median filtering.

Data Curve Fit Creator Add-in is an easy-to-use data analysis add-in for Microsoft Excel. It adds curve fitting, interpolation, and data smoothing functions to Excel. Curve fitting functions include polynomial fits and a versatile local regression (loess) function. Interpolations include linear, cubic spline, and a 'flexible spline' that allows you to specify the slope at each data point. Data smoothing functions include moving average, median filter, and a Gaussian smoothing filter.