Learn PANDAS with Real Code Examples
Updated Nov 24, 2025
Learning Path
Learn Python basics and NumPy arrays
Understand Series and DataFrame structures
Practice data cleaning, filtering, and selection
Explore grouping, pivoting, and time-series operations
Integrate with visualization and ML workflows
Skill Improvement Plan
Week 1: DataFrames, Series, and basic operations
Week 2: Indexing, slicing, filtering
Week 3: Aggregations, groupby, pivot tables
Week 4: Time-series and advanced manipulations
Week 5: Integration with visualization and ML pipelines
Interview Questions
What are the main data structures in Pandas?
How do you handle missing data?
Explain groupby and pivot_table functionality
How do you merge or join datasets?
What are best practices for memory optimization in Pandas?
Cheat Sheet
pd.read_csv() = load CSV file
df.head() = first 5 rows
df.describe() = summary statistics
df.groupby('column').sum() = aggregation
df.merge(df2, on='key') = join datasets
Books
Python for Data Analysis by Wes McKinney
Pandas Cookbook by Theodore Petrou
Effective Pandas by Matt Harrison
Mastering Pandas by Ashish Kumar
Hands-On Data Analysis with Pandas by Stefanie Molin
Tutorials
Pandas official tutorials
DataCamp Pandas courses
Kaggle Pandas exercises
YouTube Pandas tutorials
Books and blog posts on Pandas
Official Docs
https://pandas.pydata.org/
https://pandas.pydata.org/docs/
https://github.com/pandas-dev/pandas
Community Links
Pandas GitHub
StackOverflow Pandas tag
Reddit /r/datascience
Pandas official forums
MOOCs and online tutorials
Community Support
Pandas GitHub repository
StackOverflow Pandas tag
Reddit /r/datascience
Pandas official documentation
MOOCs, blogs, and tutorial sites