# =====替换缺失值===
data[data.isnull()] = 0
data.fillna(0,inplace=True)
#====25% 和75%===
sta = data['A_sale'].describe() #.describe()中有基本的数据,自己可以打印试试
stb = data['B_sale'].describe()
#print(sta)
'''
count 30.000000
mean 430.618559
std 278.629712
min 26.157783
25% 213.463059
50% 403.759538
75% 599.212448
max 972.841767
Name: A_sale, dtype: float64
'''
a_iqr = sta.loc['75%'] - sta.loc['25%']
b_iqr = stb.loc['75%'] - stb.loc['25%']