And visual information such as colour, shape is much easier to
understand when looking at a graph.

Color maybe, shape not so much. I would think a colored label would be as
effective as a colored marker, as long as the label were kept to a character
or two in length.

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
_______


"itkovian" wrote in message
ups.com...
On Sep 18, 7:53 pm, Del Cotter wrote:
On Tue, 18 Sep 2007, in microsoft.public.excel.charting,
itkovian said:

I have a set of data I wish to graph in a scatterplot. Each data point
has two identification codes, coming from two separate groups, e.g., L
= {a,b,c,d,e} and C = {1,2,3,4}. So you might have points
I wish to use both colour and shape to identify the data points, e.g.
all a's should be yellow, all b's red, etc. and all 1's should be a
triangle, all 2's a square etc.

It seems to me that you are coding the codes. Why would you create a
code 1, 2, 3, etc., and then represent them by triangle, square, etc.?


Because in reality the labels als much longer :-) And visual
information such as colour, shape is much easier to understand when
looking at a graph. We're trained to do it, letter codes are much more
difficult.