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ydataai/ydata-profiling: 1 Line of code data quality profiling & exploratory data analysis for Pandas and Spark DataFrames.

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ydata-profiling primary goal is to provide a one-line Exploratory Data Analysis (EDA) experience in a consistent and fast solution. Like pandas df.describe() function, that is so handy, ydata-profiling delivers an extended analysis of a DataFrame while allowing the data analysis to be exported in different formats such as html and json.

The package outputs a simple and digested analysis of a dataset, including time-series and text.

Looking for a scalable solution that can fully integrate with your database systems?
Leverage YData Fabric Data Catalog to connect to different databases and storages (Oracle, snowflake, PostGreSQL, GCS, S3, etc.) and leverage an interactive and guided profiling experience in Fabric. Check out the Community Version.

pip install ydata-profiling

or

conda install -c conda-forge ydata-profiling

Start by loading your pandas DataFrame as you normally would, e.g. by using:

import numpy as np
import pandas as pd
from ydata_profiling import ProfileReport

df = pd.DataFrame(np.random.rand(100, 5), columns=["a", "b", "c", "d", "e"])

To generate the standard profiling report, merely run:

profile = ProfileReport(df, title="Profiling Report")

• Type inference: automatic detection of columns' data types (Categorical, Numerical, Date, etc.)
• Warnings: A summary of the problems/challenges in the data that you might need to work on (missing data, inaccuracies, skewness, etc.)
• Univariate analysis: including descriptive statistics (mean, median, mode, etc) and informative visualizations such as distribution histograms
• Multivariate analysis: including correlations, a detailed analysis of missing data, duplicate rows, and visual support for variables pairwise interaction
• Time-Series: including different statistical information relative to time dependent data such as auto-correlation and seasonality, along ACF and PACF plots.
• Text analysis: most common categories (uppercase, lowercase, separator), scripts (Latin, Cyrillic) and blocks (ASCII, Cyrilic)
• File and Image analysis: file sizes, creation dates, dimensions, indication of truncated images and existence of EXIF metadata
• Compare datasets: one-line solution to enable a fast and complete report on the comparison of datasets
• Flexible output formats: all analysis can be exported to an HTML report that can be easily shared with different parties, as JSON for an easy integration in automated systems and as a widget in a Jupyter Notebook.

The report contains three additional sections:

• Overview: mostly global details about the dataset (number of records, number of variables, overall missigness and duplicates, memory footprint)
• Alerts: a comprehensive and automatic list of potential data quality issues (high correlation, skewness, uniformity, zeros, missing values, constant values, between others)
• Reproduction: technical details about the analysis (time, version and configuration)

• Want to scale? Check the latest release with ⭐⚡Spark support!
• Looking for how you can do an EDA for Time-Series 🕛 ? Check this blogpost.
• You want to compare 2 datasets and get a report? Check this blogpost

Spark support has been released, but we are always looking for an extra pair of hands 👐. Check current work in progress!.

YData-profiling can be used to deliver a variety of different use-case. The documentation includes guides, tips and tricks for tackling them:

There are two interfaces to consume the report inside a Jupyter notebook: through widgets and through an embedded HTML report.

The above is achieved by simply displaying the report as a set of widgets. In a Jupyter Notebook, run:

The HTML report can be directly embedded in a cell in a similar fashion:

profile.to_notebook_iframe()

To generate a HTML report file, save the ProfileReport to an object and use the to_file() function:

profile.to_file("your_report.html")

Alternatively, the report's data can be obtained as a JSON file:

# As a JSON string
json_data = profile.to_json()

# As a file
profile.to_file("your_report.json")

For standard formatted CSV files (which can be read directly by pandas without additional settings), the ydata_profiling executable can be used in the command line. The example below generates a report named Example Profiling Report, using a configuration file called default.yaml, in the file report.html by processing a data.csv dataset.

ydata_profiling --title "Example Profiling Report" --config_file default.yaml data.csv report.html

Additional details on the CLI are available on the documentation.

The following example reports showcase the potentialities of the package across a wide range of dataset and data types:

Additional details, including information about widget support, are available on the documentation.

You can install using the pip package manager by running:

pip install -U ydata-profiling

The package declares "extras", sets of additional dependencies.

• [notebook]: support for rendering the report in Jupyter notebook widgets.
• [unicode]: support for more detailed Unicode analysis, at the expense of additional disk space.
• [pyspark]: support for pyspark for big dataset analysis

Install these with e.g.

pip install -U ydata-profiling[notebook,unicode,pyspark]

You can install using the conda package manager by running:

conda install -c conda-forge ydata-profiling

Download the source code by cloning the repository or click on Download ZIP to download the latest stable version.

Install it by navigating to the proper directory and running:

The profiling report is written in HTML and CSS, which means a modern browser is required.

You need Python 3 to run the package. Other dependencies can be found in the requirements files:

To maximize its usefulness in real world contexts, ydata-profiling has a set of implicit and explicit integrations with a variety of other actors in the Data Science ecosystem:

Need help? Want to share a perspective? Report a bug? Ideas for collaborations? Reach out via the following channels:

• Stack Overflow: ideal for asking questions on how to use the package
• GitHub Issues: bugs, proposals for changes, feature requests
• Discord: ideal for projects discussions, ask questions, collaborations, general chat

Need Help?
Get your questions answered with a product owner by booking a Pawsome chat! 🐼

❗ Before reporting an issue on GitHub, check out Common Issues.

Learn how to get involved in the Contribution Guide.

A low-threshold place to ask questions or start contributing is the Data Centric AI Community's Discord.

A big thank you to all our amazing contributors!

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