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I'm trying to communicate the results of a simple 4-factor factorial
experiment. I've set each of those factors to their miminum and maximum
values, and I've got a list of 16 numbers representing the response at
each of those 16 settings.
I tried a surface or wire plot, but I couldn't figure out how to label
the axes. I tried a plot with i.16 on the abscissa, the responses at
each of the 16 points on the ordinate, and a table to relate data point
(abscissa) to experimental condition, but one person out of two who have
seen it so far found that non-intuitive.
If I try to sketch it here, it would become something like
V V
a a
r r
1 2
+---------------------+
L L |0.2 0.1 0.2 0.1|
| |
L H |0.7 0.6 0.7 0.6|
| |
H L |0.8 0.6 0.8 0.6|
| |
H H |2.2 1.7 2.2 1.7|
+---------------------+
L H L H Var 3
L L H H Var 4
but with a graph in the middle.
Has anyone seen a nice way to plot this? It'd be nice if it worked well
in J (or possibly Gnuplot) without a lot of manual placing of text on
the graph.
Part of me wonders if I'd be better off just to do a table of numbers.
That might be pretty clear, especially if I swap the zeroth and first
columns. That would put the two highest variables at the center bottom
and the next two at the outside bottom. (Making such a table
cylindrical makes that even clearer, but that may be a bit excessive.)
Thoughts?
Thanks,
Bill
- --
Bill Harris http://facilitatedsystems.com/weblog/
Facilitated Systems Everett, WA 98208 USA
http://facilitatedsystems.com/ phone: +1 425 337-5541
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