Gistlib How To Rename Columns Based On A Conditon Pandas In Python

Gistlib How To Rename Columns Based On A Conditon Pandas In Python To rename columns based on a condition in pandas, you can use the rename () method along with a dictionary comprehension to map the old column names to new column names that satisfy the condition. What is the best solution to rename the elements of v based on some conditional statements applied to the data frame? basically, for each row (regardless of whether g == 0 or g == 1): if df.l==a and df.n==1: df.v='val1' elif df.l==a and df.n==2: df.v='val2' elif df.l==b and df.n==1: df.v='val3' elif df.l==b and df.n==2: df.v='val4'.

How To Rename Columns In Pandas Dataframe Pythonpandas We can map a function to the column names to rename them according to a custom rule. this method is highly flexible and can be used to apply transformations such as converting names to lowercase, capitalizing the first letter, or applying any custom function to column names.

Python Pandas Rename Column Rename Columns In Pandas