In [2]:
%matplotlib inline
from ggplot import *
import pandas as pd

In [3]:
meat = pd.melt(meat, id_vars="date")

In [7]:
ggplot(meat, aes(x='date', y='value', color='variable')) + \
    geom_step()


Out[7]:
<ggplot: (290362721)>

In [ ]: