[NCLUG] GD Charting Tutorials

[R P Herrold]

On Sun, 21 Dec 2008, Dave Treece wrote:

> there must be a simple, possibly graphical, explanation of 
> how to fit that data onto that graphic context. Don't you 
> think?

No -- such decisions depend on the intended use -- with price 
data, as in my prior example, one wants to cover the range, 
and to use a scale appropriate to the data -- See the work by 
Edward Tufte who has written extensively on 'good 
presentation' of data and is well worth studying.

-- Russ herrold