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我正试图在python中导入统计数据模块。当我执行程序时,它给我一个错误消息。无法从统计数据中导入平均值
这里是我的代码:
from statistics import mean
import numpy as np
import matplotlib.pyplot as plt
xs = np.array([1,2,3,4,5,6,7,8])
ys = np.array([2,8,5,0,5,7,3,6])
def best_fit_line(xs ,ys):
m = (((mean(xs)* mean(ys))- mean(xs*ys))/
(mean(xs)*mean(xs))-(mean(xs*xs)))
return m
m = best_fit_line(xs,ys)
错误消息:
Traceback (most recent call last):
File "/home/kudzai/Documents/Machine Learning/LinearRegAlg.py", line 1, in <module>
from statistics import mean
ImportError: No module named statistics