If that's what is wanted, note that -separate- was written partly to
support this kind of thing directly.
sysuse nlsw88.dta,clear
separate wage, by(south)
etc.
The advantage is greater with several groups, rather than two.
Nick
[email protected]
Kit Baum
I don't think May is trying to get a break in the axis, but rather in
the plotted line. Something like this, maybe?
. sysuse nlsw88.dta,clear
(NLSW, 1988 extract)
. g wagenorth = wage if !south
(942 missing values generated)
. g wagesouth = wage if south
(1304 missing values generated)
. collapse wagenorth wagesouth,by(age)
. twoway line wagenorth age if age<=40 || line wagesouth age if age>=40
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