/Python/Try using .loc[row_indexer,col_indexer] = value instead

Try using .loc[row_indexer,col_indexer] = value instead

import pandas as pd
pd.options.mode.chained_assignment = None  # default='warn'
# This will stop showing this warning 
# Alternatively you can use .loc as suggested by the message

Source: stackoverflow.com

SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame. Try using .loc[row_indexer,col_indexer] = value instead

import pandas as pd
pd.options.mode.chained_assignment = None  # default='warn'

Source: stackoverflow.com

Try using .loc[row_indexer,col_indexer] = value instead

new_df = df.loc[df.col1>2].copy()
new_df.loc[2, 'new_column'] = 100

-1

Source: stackoverflow.com

Similar codes

2 votes157 views1 answer
How to check if an element is visible on the web page in selenium python
Python
0 vote161 views1 answer
How to use assert in python
Python
0 vote147 views1 answer
How to take a list as input in python using sys.srgv
Python
2 votes149 views2 answers
Python tkinter projects
Python
0 vote187 views1 answer
Python request post with json with headers
Python
3 votes165 views1 answer
Plotly not showing in jupyter
Python
1 vote184 views2 answers
Flask console log
Python Flask
0 vote154 views1 answer
How to iclude parcentage in pivot table in pandas
Python
3 votes167 views1 answer
Send email hotmail using python
Python
0 vote144 views1 answer
Python timeout exception
Python