What Data Type Is DataFrame?


Scott Campbell

A DataFrame is a fundamental data structure in pandas, which is a powerful Python library for data analysis and manipulation. It is a two-dimensional tabular data structure that organizes data into rows and columns, similar to a spreadsheet or a SQL table. In this article, we will explore the data type of DataFrame and understand its significance in data analysis.

What is a DataFrame?

A DataFrame can be thought of as an enhanced version of a NumPy array or a Python dictionary. It provides an efficient way to store and manipulate structured data, making it incredibly useful for tasks such as cleaning, transforming, filtering, and analyzing datasets.

Some key features of DataFrames include:

  • Tabular Structure: DataFrames have rows and columns that can be labeled, allowing easy access to individual elements or subsets of the data.
  • Heterogeneous Data: DataFrames can handle different types of data (e.g., numbers, strings) within the same structure.
  • Data Alignment: When performing operations on multiple DataFrames, pandas automatically aligns the data based on the row and column labels.

The Data Type of DataFrame

The type of a DataFrame object in pandas is pandas.core.frame.DataFrame. This means that when you create a DataFrame using pandas, you are creating an instance of this specific class. Understanding the data type helps us leverage the numerous built-in methods and attributes available for working with DataFrames.

To check the type of an existing DataFrame object in Python, you can use the type() function:

import pandas as pd

# Create a sample DataFrame
df = pd.DataFrame({'Name': ['John', 'Emily', 'Michael'],
                   'Age': [25, 30, 35],
                   'City': ['New York', 'London', 'Paris']})

# Check the data type

The above code will output:

<class 'pandas.DataFrame'>

This confirms that the variable df is indeed a DataFrame object.


DataFrames are a powerful data structure in pandas that allow efficient manipulation and analysis of structured data. Understanding the data type of a DataFrame helps us make use of the vast functionality provided by pandas for working with this data structure. By leveraging the strengths of DataFrames, you can streamline your data analysis workflows and extract valuable insights from your datasets.

Now that you have a better understanding of what a DataFrame is and its data type, you can start exploring the various operations and methods available for working with this versatile data structure.

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