* Categorical versus continuous axis

* data source
use "Y:\Stata\auto.dta" , clear
generate manufacturer = substr(make,1,strpos(make, " ")-1)
replace manufacturer = make if strpos(make, " ")==0

* summary statistic
collapse (mean) mpg, by(manufacturer)

* categorical
graph dot (asis) mpg, over(manufacturer, sort(mpg) descending) ylabel(10(5)35)

* continuous
twoway dropline mpg mpg, mlabel(manufacturer) mlabposition(9) msize(0) xlabel("") xtitle("")  xtick(10(5)35)