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我想在matplot上绘制一个散点趋势线.我怎样才能做到这一点？

蟒蛇

import pandas as pd
import matplotlib.pyplot as plt
csv = pd.read_csv('/tmp/test.csv')
data = csv[['fee', 'time']]
x = data['fee']
y = data['time']
plt.scatter(x, y)
plt.show()

CSV

fee,time
100,650
90,700
80,860
70,800
60,1000
50,1200

时间是整数值.

散点图