Answers for "create empty dataframe with column names"

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 empty pandas dataframe

df = pd.DataFrame(columns=['a', 'b', 'c'])
Posted by: Guest on September-21-2020
-1

Create empty DataFrame with only column names in R

# created data frame with 5 variables, and no rows
columns= c("id","names","address","phone","aadhar no") 
myData = data.frame(matrix(nrow = 0, 
                           ncol = length(columns))) 
colnames(myData) = columns
Posted by: Guest on July-27-2021

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