Bar chart


from plotnine import ggplot, aes, geom_bar, coord_flip, theme_classic
from plotnine.data import mpg

geom_bar() makes the height of the bar proportional to the number of cases in each group

mpg.head()
manufacturer model displ year cyl trans drv cty hwy fl class
0 audi a4 1.8 1999 4 auto(l5) f 18 29 p compact
1 audi a4 1.8 1999 4 manual(m5) f 21 29 p compact
2 audi a4 2.0 2008 4 manual(m6) f 20 31 p compact
3 audi a4 2.0 2008 4 auto(av) f 21 30 p compact
4 audi a4 2.8 1999 6 auto(l5) f 16 26 p compact

Bar Plot with Counts

# Gallery, distributions
ggplot(mpg) + geom_bar(aes(x="class"))

(
    ggplot(mpg)
    + geom_bar(aes(x="class", fill="drv"))
)

Horizontal Bar Plot with Counts

# Gallery, distributions
(
    ggplot(mpg) 
    + geom_bar(aes(x="class", fill="drv"))
    + coord_flip()
    + theme_classic()
)