链接:https://nbviewer.jupyter.org/github/schmit/cme193-ipython-notebooks-lecture/blob/master/Exercises.ipynb
首先引用作业所需的所有库
读取作业所需的csv文件
anascombe = pd.read_csv('C:/Users/Wzs/Desktop/anscombe.csv')
anascombe.head()
part1
1、计算x和y的均值和方差
使用mean()函数计算均值以及var函数计算方差即可
x = anascombe['x']
y = anascombe['y']
print('mean of x:' + str(x.mean()))
print('mean of y:' + str(y.mean()))
print('variance of x:' + str(x.var()))
print('variance of y:' + str(y.var()))