Bar graphs - A Visual Guide to Stata Graphics - page 152

graph bar ttl exp tenure, over(married) over(urban2)

Consider this bar graph with multiple
y -variables broken down by two

categorical variables using two over()
options. When you have multiple
y -variables, you can only have a

maximum of two over() options.
Uses nlsw.dta & scheme vg s1c

single married single married

Rural Metro

mean of ttl_exp mean of tenure

graph bar ttl exp tenure, over(married) over(urban2)
by(union)

If we want to further show the previous
graph by another categorical variable,
say union ,wecanusethe by() option.
Uses nlsw.dta & scheme vg s1c

nonunion union

single married single married single married single married

Rural Metro Rural Metro

mean of ttl_exp mean of tenure

Graphs by union worker

graph bar ttl exp tenure, over(married) over(urban2)
by(union, missing )

We can add the missing option to
include a panel for the missing values of
union .
Uses nlsw.dta & scheme vg s1c

nonunion union

single married single married single married single married

Rural Metro Rural Metro

(missing)

single married single married

Rural Metro

mean of ttl_exp mean of tenure

Graphs by union worker

The electronic form of this topic is solely for direct use at UCLA and only by faculty, students, and staff of UCLA.