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Re: st: Graphs: Opaque versus Transparent Markers

From   "Svend Juul" <[email protected]>
To   <[email protected]>
Subject   Re: st: Graphs: Opaque versus Transparent Markers
Date   Sun, 15 May 2005 22:48:25 +0200

Orion PbS Whitaker wrote:
"The last points plotted on graphs obscure the previous points.

I've tried using smaller markers, adding jitter, and using open

circle markers but it seems that having markers have some

transparency would be better."


The best solution to the problem that I know of is to use hollow

(e.g. Oh) and thin-line (e.g. +) markers. But if you have several

overlapping plots there is an inevitable problem of overcrowding.


Hollow and thin-line markers should be black. One way to obtain

that is to use the lean1 or lean2 scheme. Find the schemes by:

  findit lean scheme


Hope this helps.


Svend Juul
Institut for Folkesundhed, Afdeling for Epidemiologi
(Institute of Public Health, Department of Epidemiology)
Vennelyst Boulevard 6 
DK-8000 Aarhus C,  Denmark 
Phone, work:  +45 8942 6090 
Phone, home:  +45 8693 7796 
Fax:          +45 8613 1580 
E-mail:       [email protected] 

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