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2019-03-30 阅读量: 413
如何用python实现常用运算(2)

# import pandas for reading csv file

import pandas as pd

#reading csv file

s = pd.read_csv("stock.csv", squeeze = True)

#using describe function

print(s.describe())

#using count function

print(s.idxmax())

#using idxmin function

print(s.idxmin())

#count of elements having value 3

print(s.value_counts().head(3))

Output:

dtype: float64
count 3012.000000
mean 334.310093
std 173.187205
min 49.950000
25% 218.045000
50% 283.315000
75% 443.000000
max 782.220000
Name: Stock Price, dtype: float64

3011
11
291.21 5
288.47 3
194.80 3
Name: Stock Price, dtype: int64
0.0000
3
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