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 and versatile local regressions. Interpolations include linear, cubic spline, and a \'flexible\' spline for more control of the spline shape. Data smoothing functions include moving average, median filter, and Gaussian smoothing.
Data Curve Fit Creator Add-in 2.3 download