Itsik Dvir writes:
> I want to make the two changes in the following by-graph command
>
> twoway (scatter y x ) (lfit y x ) , by(group, total )
>
> suppose group contains three subsets of the data.
> 1. eliminate the fitted line in just one individual graph,
> while still displaying the scatter x-y data.
> 2. change the default title of the total graph ("Total") to say "All" ..
>
> Can anyone give an advice?
You would need to manually create the parts. The following assumes
groups have numerical values 1, 2 and 3 and group 3 does not need
the fitted line (but is not tested!):
twoway (scatter y x, if group==1) (lfit y x, if group==1) ///
(scatter y x, if group==2) (lfit y x, if group==2) ///
(scatter y x, if group==3) ///
(scatter y x) (lfit y x) ///
legend(label(1 "Group 1 data") label(2 "Group 1 fit") ///
label(3 "Group 2 data") label(4 "Group 2 fit") ///
label(5 "Group 3 data") ///
label(6 "All data") label(7 "All fit") )
You likely would want to name these better and would have to
play around with symbol and line colors.
Tom
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