CHICAGO--(BUSINESS WIRE)--Spline Data, a newly formed quantitative U.S. municipal bond data provider, today announced the launch of its first products designed to bring data-driven, actionable yield ...

The SPLINE method fits a cubic spline curve to the input values. A cubic spline is a segmented function consisting of third-degree (cubic) polynomial functions joined together so that the whole curve ...

Around a year ago Paul van Dinther shared a cubic spline curve that identified a path through the Grand Canyon. The model moves in turn to each set of coordinates (longitude, latitude, and altitude) ...

The OUTEST= data set contains the coefficients of the spline curves fit to the input series. The OUTEST= data set is of interest if you want to verify the interpolating curve PROC EXPAND uses, or if ...