[Pandas][Series] S1_05_Methods: 기본 함수

 

 

 

In [1]:

import pandas as pd

 

In [2]:

# examples
s1 = pd.Series(data = [100, 300, 500, 1000, 1500]); s1

 

Out[2]:

0     100
1     300
2     500
3    1000
4    1500
dtype: int64

 

In [3]:

# sum
s1.sum()

 

Out[3]:

3400

 

In [4]:

# multiplication
s1.product()

 

Out[4]:

22500000000000

 

In [5]:

# average
s1.mean()

 

Out[5]:

680.0

 

In [6]:

# show the first cople of elements
#s1.head(2)

 

Out[6]:

0    100
1    300
dtype: int64

 

In [9]:

# create a new Series
new_s1 = s1.head(3); new_s1

 

Out[9]:

0    100
1    300
2    500
dtype: int64

 

In [11]:

# show the last cople of elements
s1.tail(2)

 

Out[11]:

3    1000
4    1500
dtype: int64

 

In [12]:

# How many bytes 
s1.memory_usage()

 

Out[12]:

168