st: gr 2way scatter questions on how to control for specific graph appearances

["b. water" <barleywater@hotmail.com>]

dear listers,

i have created a graph (stata v. 8.2 window xp pro) along the line of:

graph twoway scatter xe yt zn, ysize(4) xsize(4) connect(line) msymbol(none) 
but what i wanted is to be able:

1. to control the appearance of xe and yt separately, in this case the blot 
of xe to be smaller(finer), change xe from the default color to another on 
stata palette, and to make yt invisible;

2. connect only the 'invisible' yt blob with a black line.

in my original graph statement xe became invisible and/but the line connects 
all the points. i have checked stata graph manuals as well as stata site for 
help but could not find the answer. thank you for advice/help.

regards,
bw

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