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[英]How do I add the counts together of each type of product sold, multiplied by its quantity sold per sale?
[英]How to do a Stacked Barplot for each Year per Region to calculate the sum(or average) of Quantity_Sold? Python
我不知道从哪里开始,我试图得到一个如下所示的图表:
y_axis 表示每年和每个地区的销售数量总和,如图所示
该数据集可用于:
dataset = {'Year': [2019,2020,2020,2019,2019,2020,2017,2017,2018,2020,2018,2016],
'Quantity': [100,50,25,30,40,50,200,600,20,40,100,20],
'Regions': ['Europe','Asia','Africa','Africa','Other','Asia','Africa','Other','America','America','Europe','Europe']}
df = pd.DataFrame(data=dataset)
另外我不确定在这种情况下使用 matplotlib 或 seaborn 是否更好。
我试过了,但它似乎不起作用:
dfc_vol = dfc[['Year','Quantity','Regions']]
plt.rcParams['figure.figsize']=(10,6)
dfc_vol.plot(kind='bar', stacked=True)
plt.legend(bbox_to_anchor=(1.1,0.5))
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