Answers for "pandas create empty column"

2

pandas empty dataframe with column names

# Create empty dataframe with column names
df = pd.DataFrame(columns=['dog_name','dog_age']) 
# Create some Lists to populate df
dogNames = ['Blue','Atticus'] 
dogAges = [2,8] 
# loop through the lists
for n in range(0,1): 
	df.loc[n] = [dogNames[n], dogAges[n]]
Posted by: Guest on August-21-2021
7

add empty column to dataframe pandas

>>> import numpy as np
>>> import pandas as pd
>>> df = pd.DataFrame({"A": [1,2,3], "B": [2,3,4]})
>>> df
   A  B
0  1  2
1  2  3
2  3  4
>>> df["C"] = ""
>>> df["D"] = np.nan
>>> df
   A  B C   D
0  1  2   NaN
1  2  3   NaN
2  3  4   NaN
Posted by: Guest on June-06-2020
3

create an empty dataframe

import pandas as pd
df = pd.DataFrame(columns=['A','B','C','D','E','F','G'])
Posted by: Guest on April-15-2020
0

create a empty dataframe

#This was first Posted By Hilarious Hornet 
newDF = pd.DataFrame() #creates a new dataframe that's empty
newDF = newDF.append(oldDF, ignore_index = True) # ignoring index is optional
# try printing some data from newDF
print(newDF.head()) #again optional
Posted by: Guest on October-17-2021

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