想用python生成横坐标轴为月份,纵坐标轴为fp值的折线图,请指点迷津!
我的代码:
import pandas as pd from matplotlib import pyplot as plt io = 'D:\python\ofp analysis1.xls' df = pd.read_excel(io, sheet_name=0) print(df.head()) groups = df.groupby('month') price_series = groups['fp'].count month_list = price_series.index.tolist() #报错信息:'function' object has no attribute 'index' price_list = price_series.values.tolist() plt.plot(month_list, price_list) plt.xlabel('month') plt.ylabel('price') plt.title('price every month') plt.show()