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df.groupby('year').case_status.value_counts().unstack(0).plot.barh()
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#plot data
fig, ax = plt.subplots(figsize=(15,7))
data.groupby(['date','type']).count()['amount'].plot(ax=ax)
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# plot data
fig, ax = plt.subplots(figsize=(15,7))
# use unstack()
data.groupby(['date','type']).count()['amount'].unstack().plot(ax=ax)
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df.groupby('year').case_status.value_counts().unstack().plot.barh()
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data_1.groupby('Manufactorer')['Manufactorer'].count()
data_1.groupby('Manufactorer')['Manufactorer'].count().sort_values(ascending = False)
data_1.groupby('Manufactorer')['Manufactorer'].count().sort_values(ascending = False).plot(kind = 'bar')