AI engineering glossary · NumPy pandas visualization

What is astype?

astype: A pandas method that converts a column to a different data type, such as text to integer or float to category. It is used after loading messy files where numbers arrive as strings, and it raises an error if a value cannot be converted.

Level: beginnerTopic: NumPy pandas visualization

astype: an example

df['pincode'] = df['pincode'].astype(str) keeps leading zeros safe by treating pincodes as text.

Related terms

More NumPy pandas visualization terms

Where you learn it

astype is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

Before you go

Take the cheat sheet with you

One free PDF: the key AI-engineering terms, formulas and Python idioms. No spam; unsubscribe any time.