TO-BE

1. get input for new variable name to allocate ('Allocate to')
2. check steps to save
3. add undo operation/button
4. change column/row selection

• shift : as multi linear click / ctrl : as multi click / single click : as toggle
• add all selecting button

5. operations
6. replace : dictionary type replacement

• add regex option (regex=True)

2. OHE : add option to maintain original column.
3. Add column/row :

• value/calculation/replace/apply

AS-IS (Optional)