Add Empty Column to pandas DataFrame in Python (2 Examples) | Attach String & NaN | float() Function
How to add a new empty column to a pandas DataFrame in the Python programming language. More details: https://statisticsglobe.com/add-empty...
Python code of this video:
import pandas as pd # Import pandas
data = pd.DataFrame({'x1':range(0, 7), # Create pandas DataFrame
'x2':['x', 'y', 'y', 'x', 'y', 'y', 'x'],
'x3':range(1, 8)})
print(data) # Print pandas DataFrame
data_new1 = data.copy() # Duplicate pandas DataFrame
data_new1['new_col'] = '' # New column with empty string
print(data_new1) # Print new pandas DataFrame
data_new2 = data.copy() # Duplicate pandas DataFrame
data_new2['new_col'] = float('NaN') # New column with NaN
print(data_new2) # Print new pandas DataFrame
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