In [1]:

    

from ggplot import *
%matplotlib inline


    

In [2]:

    

ggplot(mtcars, aes(x='wt', y='mpg')) + \
    geom_point() + \
    geom_vline(x=4.5)


    

    













    
Out[2]:





<ggplot: (287589981)>

In [6]:

    

ggplot(mtcars, aes(x='wt', y='mpg')) + \
    geom_point() + \
    geom_vline(x=[2, 3, 4, 5])


    

    













    
Out[6]:





<ggplot: (289020017)>

In [11]:

    

ggplot(mtcars, aes(x='wt', y='mpg', color='factor(cyl)')) + \
    geom_point() + \
    geom_vline(color='black', x=range(6))


    

    













    
Out[11]:





<ggplot: (293647145)>

In [20]:

    

ggplot(diamonds, aes(x='carat', y='price')) + \
    geom_point() + \
    geom_vline(color='turquoise', x=range(7)) + \
    facet_wrap("clarity")


    

    













    
Out[20]:





<ggplot: (298180021)>