Sparkline Charts
motivated by e-mail from Jay

When talking about the price movements of a couple of stocks, I usually provide a chart -- like so:

>Usually? Always! I always thought that was overkill and ...
Pay attention.
If I just wanted to illustrate the relative motion over the past year
I could just show the DOW and Oil like so:

>Cute! Did you think of that?
Uh ... no. It's the brainchild of Edward Tufte and he calls them sparklines.

>But you wrote software to generate that cute chart, right?
Ummm -- I just reduced an Excel chart (Figure 1) to a teenie weenie chart.


Figure 1

But Mark Pursey has a neato sparkline builder.

And Yahoo does sparkline:

Then (of course!) google has a chart generator.