Pandas DataFrame assign() Method

Example

Add a new column to the DataFrame:

import pandas as pd

data = {
"age": [16, 14, 10],
"qualified": [True, True, True]
}
df = pd.DataFrame(data)

newdf = df.assign(name = ["Emil", "Tobias", "Linus"])

Try it Yourself »

Definition and Usage

The assign() method adds a new column to an existing DataFrame.

Syntax

dataframe.assign(kwargs)

Parameters

Parameter	Description
kwargs	Required. The new column name(s) with values

Return Value

A DataFrame with the new column(s) added.

This method does not change the original DataFrame.

❮ DataFrame Reference