How To Insert A Column To A DataFrame?
Table Of Contents:
- Syntax For inserting A Column.
- Examples Of Inserting A Column.
(1) Syntax:
DataFrame.insert(loc, column, value, allow_duplicates=_NoDefault.no_default)Description:
Insert column into DataFrame at the specified location.
Raises a ValueError if the column is already contained in the DataFrame, unless allow_duplicates is set to True.
Parameters:
- loc: int – Insertion index. Must verify 0 <= loc <= len(columns).
- column: str, number, or hashable object Label of the inserted column.
- value: Scalar, Series, or array-like
- allow_duplicates: bool, optional, default lib.no_default
(2) Examples Of ‘iloc’ Keyword:
Example-1
import pandas as pd
student = {'Name':['Subrat','Abhispa','Arpita','Anuradha','Namita'],
'Roll_No':[100,101,102,103,104],
'Subject':['Math','English','Science','History','Commerce'],
'Mark':[95,88,76,73,93]}
student_object = pd.DataFrame(student)
student_objectOutput:
student_object.insert(loc=4,column='Gender',value=['Male','Female','Female','Female','Female'])
student_objectOutput:
Note:
- Here we have inserted the ‘Gender’ column at index position ‘4’.