Using image() produces plots that look fine on the x11() device and in
ghostview at screen resolution but contain lots of horizontal white lines
at higher resolution.
Thomas Lumley
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Biostatistics : "Never attribute to malice what :
Uni of Washington : can be adequately explained by :
Box 357232 : incompetence" - Hanlon's Razor :
Seattle WA 98195-7232 : :
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