Python Pandas Explode Columns Tutorial
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Today we are taking a look at how you can apply the explode function to a column within a Python Pandas Dataframe. This is helpful when expanding out a column that has data together like ;
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In this video, I show you exactly how to use the pandas explode function to transform data with multiple values in a single column into separate rows. This makes querying, filtering, and analyzing your data much easier than working with lists stuck in columns.
We walk through a real example using a sports card collection dataset, where I demonstrate how to explode property lists into individual rows. You'll see how this simple function makes complex data analysis straightforward, including counting specific values, filtering data with queries, and creating pivot tables that would be nearly impossible with unexploded data.
I cover the basic explode syntax, how to reassign the exploded dataframe, and then show practical applications like counting pre-war cards, filtering for baseball cards only, and building a pivot table to summarize all properties. By the end of this tutorial, you'll understand when to use pandas explode and how it can dramatically simplify your data manipulation workflows.
This is perfect for anyone working with nested data, lists in dataframes, or preparing data for analysis in Python. Whether you're doing data science, analytics, or just learning pandas, the explode function is an essential tool you need to master.
TIMESTAMPS
00:00 Introduction to Pandas Explode Function
00:10 Setting Up the Jupyter Notebook
00:39 Creating the Sample Data Frame
01:47 Understanding the Explode Function
02:34 Applying Explode to the Data
03:02 Counting Values with Exploded Data
03:57 Filtering Data with Query Function
04:21 Creating Pivot Tables
06:10 Sorting and Final Results
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Ryan is a Data Scientist at a fintech company, where he focuses on fraud prevention in underwriting and risk. Before that, he worked as a Data Analyst at a tax software company. He holds a degree in Electrical Engineering from UCF.
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Matt is the founder of Width.ai, an AI and Machine Learning agency. Before starting his own company, he was a Machine Learning Engineer at Capital One.
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