This is a how-to guide on the Approximation of data.
Many examples are included and all of the source code is available on-line..
I hope to strike a balance between these two extremes and trust you will find this helpful.
Most references are either esoteric or simplistic.
This is intended as a supplement to, not a replacement for, such texts.
There are many books and articles on curve-fitting.
This is a how-to guide on the Approximation of data