An in-depth comparison of top 5 Exploratory Data Analysis (EDA) software tools to find the right one for your next data science project.
6 min read
We are looking at these 5 different EDA tools:
Data cleaning isn't the biggest challenge for Data Scientists and ML Engineers, but it does take the longest amount of time. For most of us we can't even know how to clean it until we explore the data and thats where Exploratory Data Analysis (EDA) tools come in very handy.
Pandas Profiling is a robust Python EDA library and Command Line utility that generates an interactive HTML report of your data. It supports Notebooks and generic python scripts as well. To have it generate a report is about 2 lines of code and has a lot of customizations. What Pandas Profiling offers above some others is large and sensitive dataset handling.
pip install pandas-profiling[notebook]
import pandas_profiling
# Create instance of pandas-profiling
profile = pandas_profiling.ProfileReport(df, title = 'My Data', explorative = True)
# Generate HTML Report
profile.to_file('report.html')
BitRook is a modern take on the challenge of EDA. It packages a lot of the best parts of the other tools and puts it together in a desktop app that doesn't require coding experience. After finished with your EDA work, you can even clean and standardize it.
It's a simple downloadable desktop app
Great video tutorials and support
Sweetviz is a Python library that generates EDA visualizations in a fully self-contained HTML application. It has all the common data points like missing, distinct, duplicates but Sweetviz also can compare training data vs test data and shows how a target value relates to other features. Its really simple to use and in the couple of use cases its usually just 2 lines of code, so the docs are a little light due to that.
pip install sweetviz
import sweetviz
report = sweetviz.analyze(df)
report.show_html('report.html')
Autoviz is usually thrown out there as a EDA suggestion and while Autoviz is an amazing tool I think it is a much more specific tool. Autoviz is geared towards target analysis and it takes a sophisticated approach to it. AutoViz can find the most important features and plot impactful visualizations only using those automatically selected features. An XGBoost model is repeatedly used to randomly check each feature to find the most prominent selected features. AutoViz will take a random sample if the dataset is too large. If you use Anaconda, Jupyter and are looking to find the most important features then Autoviz might be the option for you.
conda create -n <your_env_name> python=3.7 anaconda
conda activate <your_env_name> # ON WINDOWS: `source activate <your_env_name>`
pip install autoviz
from autoviz.AutoViz_Class import AutoViz_Class
AV = AutoViz_Class()
df = AV.AutoViz('report.csv')
D-Tale is a horse of a different color. It does an incredible amount of things that are hard to properly list. Technically it is a Flask web server backend app with a React frontend that allows you to actively explore the data. Its incredibly easy to get started with (2 lines of code) and supports ipython notebooks & python/ipython terminals as well. The only thing about this tool is that it takes some time to learn where everything is, lots of exploration but is incredibly powerful (and fairly fast).
pip install dtale
import dtale
# Run d-tale library on dataframe
d = dtale.show(df)
# Opens your server's default browser to this process
d.open_browser()
Pandas GUI is the new kid on the block and it has some surprises under the hood. Instead of focusing on data quality (missing data and duplicates), it focuses on making it easy to reshape the data and allow you to generate your own charts with a simple drag and drop. If you find it cumbersome to make your own charts than this is an easy way to do it.
pip install pandasgui
from pandasgui import show
show(df)
There are a lot of ways someone could compare EDA tools with each other, but I am going to take a very basic approach by looking at 6 main categories: Data Quality Check, Statistical Data, Quantitative Data, Visualizations and Target Analysis.
EDA Tool | Downloads | Data Quality | Statistical | Quantitative | Visualization |
---|---|---|---|---|---|
Pandas-Profiling | ✅ | ✅ | ✅ | ✅ | |
BitRook | ✅ | ✅ | ✅ | ✅ | |
Sweetviz | ✅ | ✅ | ✅ | ✅ | |
Autoviz | ➖ | ➖ | ➖ | ✅ | |
D-Tale | ✅ | ✅ | ✅ | ✅ | |
Pandas GUI | ➖ | ✅ | ➖ | ✅ |
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