import pandas as pd
import numpy as np
from pandas import DataFrame

plot_df = DataFrame(np.random.randn(100,2), columns=['x','y'])
plot_df.head(20)


%pylab inline
plot_df.plot()

%pylab inline
plot_df2 = plot_df
plot_df2['y'] = plot_df2['y'].map(lambda x : x+1)
plot_df2.plot()

%pylab inline
plot_df2.hist()

%pylab inline
pd.Series([0,2,4,3,8]).plot()