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Python Pandas Panel.rmul()用法及代码示例


在 Pandas 中,Panel是一个非常重要的三维数据容器。 3个轴的名称旨在为描述涉及面板数据的操作,尤其是面板数据的计量分析提供一些语义上的含义。

在 Pandas Panel.rmul()函数用于获取序列和 DataFrame /面板的乘积。

用法: Panel.rmul(other, axis=0)

参数:
other: DataFrame 或面板
axis:广播轴

返回:面板

代码1:

# importing pandas module  
import pandas as pd  
import numpy as np  
  
df1 = pd.DataFrame({'a':['Geeks', 'For', 'geeks', 'real'],  
                    'b':[111, 123, 425, 1333]})  
  
df2 = pd.DataFrame({'a':['I', 'am', 'dataframe', 'two'],  
                    'b':[100, 100, 100, 100]})  
                      
data = {'item1':df1, 'item2':df2} 
  
# creating Panel  
panel = pd.Panel.from_dict(data, orient ='minor')  
print("panel['b'] is - \n\n", panel['b'])  
  
print("\nMultiplying panel['b'] with df2['b'] using rmul() method - \n")  
print("\n", panel['b'].rmul(df2['b'], axis = 0)) 
输出:
panel['b'] is - 

    item1  item2
0    111    100
1    123    100
2    425    100
3   1333    100

Multiplying panel['b'] with df2['b'] using rmul() method - 


     item1  item2
0   11100  10000
1   12300  10000
2   42500  10000
3  133300  10000

代码2:

# importing pandas module  
import pandas as pd  
import numpy as np  
  
df1 = pd.DataFrame({'a':['Geeks', 'For', 'geeks', 'for', 'real'],  
                    'b':[11, 1.025, 333, 114.48, 1333]})  
  
data = {'item1':df1, 'item2':df1}  
  
# creating Panel  
panel = pd.Panel.from_dict(data, orient ='minor')  
print("panel['b'] is - \n\n", panel['b'], '\n')  
  
# Create a 5 * 5 dataframe  
df2 = pd.DataFrame(np.random.rand(5, 2), columns =['item1', 'item2'])  
print("Newly create dataframe with random values is - \n\n", df2) 
  
print("\nMultiplying panel['b'] with df2 using rmul() method - \n")  
print(panel['b'].rmul(df2, axis = 0)) 
输出:
panel['b'] is - 

       item1     item2
0    11.000    11.000
1     1.025     1.025
2   333.000   333.000
3   114.480   114.480
4  1333.000  1333.000 

Newly create dataframe with random values is - 

       item1     item2
0  0.549490  0.658451
1  0.321557  0.139482
2  0.010817  0.775445
3  0.011675  0.333828
4  0.818014  0.462602

Multiplying panel['b'] with df2 using rmul() method - 

         item1       item2
0     6.044385    7.242957
1     0.329596    0.142969
2     3.602168  258.223060
3     1.336504   38.216583
4  1090.412087  616.648529

代码3:

# importing pandas module  
import pandas as pd  
import numpy as np  
  
df1 = pd.DataFrame({'a':['Geeks', 'For', 'geeks', 'for', 'real'],  
                    'b':[11, 1.025, 333, 114.48, 1333]})  
                      
df2 = pd.DataFrame({'a':['I', 'am', 'DataFrame', 'number', 'two'],  
                    'b':[10, 10, 10, 110, 110]})                      
                      
data = {'item1':df1, 'item2':df2}  
  
# creating Panel  
panel = pd.Panel.from_dict(data, orient ='minor')  
  
print("panel['b'] is - \n\n", panel['b'], '\n')  
  
print("\nMultiplying panel['b']['item1'] with df2['b'] or panel['b']['item2'] using rmul() method - \n")  
print("\n", panel['b']['item1'].rmul(df2['b'], axis = 0)) 
输出:
panel['b'] is - 

       item1  item2
0    11.000     10
1     1.025     10
2   333.000     10
3   114.480    110
4  1333.000    110 


Multiplying panel['b']['item1'] with df2['b'] or panel['b']['item2'] using rmul() method - 


 0       110.00
1        10.25
2      3330.00
3     12592.80
4    146630.00
dtype:float64



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注:本文由纯净天空筛选整理自Shivam_k大神的英文原创作品 Python | Pandas Panel.rmul()。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。