Add legend for Quantile plot grqreg

[Shovkat Khodjaev]

....

[Scott Merryman]

Joao Pedro Azevedo's -grqreg- hardcodes the legend off. You could try using the Graph Editor (see below) to turn it on, alter the code, or use Fernando Rios-Avila's -qregplot - which allows twoway options to be used.

clear
sysuse auto
qreg price mpg weight
grqreg
gr_edit plotregion1.graph1.legend.draw_view.setstyle, style(yes)
gr_edit plotregion1.graph2.legend.draw_view.setstyle, style(yes)

[John Statanew]

Dear Scott Merryman,

Thank you very much for useful code