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.radd()
函数用于系列和系列/ DataFrame 的逐元素加法。它等效于其他+面板。
用法: Panel.radd(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', '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')
print("\nAdding panel['b'] with df1['b'] using radd() method - \n")
print("\n", panel['b'].radd(df1['b'], 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 Adding panel['b'] with df1['b'] using radd() method - item1 item2 0 22.00 22.00 1 2.05 2.05 2 666.00 666.00 3 228.96 228.96 4 2666.00 2666.00
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("\nAdding panel['b'] with df2 using radd() method - \n")
print(panel['b'].radd(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 0.584980 0.504366 1 0.730408 0.259226 2 0.255814 0.825562 3 0.459585 0.052188 4 0.197732 0.551450 Adding panel['b'] with df2 using radd() method - item1 item2 0 11.584980 11.504366 1 1.755408 1.284226 2 333.255814 333.825562 3 114.939585 114.532188 4 1333.197732 1333.551450
代码3:
# importing pandas module
import pandas as pd
import numpy as np
df1 = pd.DataFrame({'a':['Geeks', 'For', 'geeks', 'real'],
'b':[-11, +1.025, -114.48, 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("\nAdding panel['b'] with df2['b'] using radd() method - \n")
print("\n", panel['b'].radd(df2['b'], axis = 0))
输出:
panel['b'] is - item1 item2 0 -11.000 100 1 1.025 100 2 -114.480 100 3 1333.000 100 Adding panel['b'] with df2['b'] using radd() method - item1 item2 0 89.000 200 1 101.025 200 2 -14.480 200 3 1433.000 200
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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.radd()。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。