Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
PySpark
How to Effectively Use the PySpark 'isin' Function
PySpark isin explained with filtering examples using lists, variables, combined columns, and a real interview-style case study
Nathan Rosidi -
Learn PySpark Joins Easily with This Guide
Master Inner, Left, and Complex Joins in PySpark with Real Interview QuestionsNathan Rosidi -
PySpark SQL Functions: Boost Big Data Processing with SQL
Leverage PySpark SQL Functions to efficiently process large datasets and accelerate your data analysis with scalable, SQL-powered solutions.Nathan Rosidi -
PySpark GroupBy Guide: Super Simple Way to Group Data
Master efficient data grouping techniques with PySpark GroupBy for optimized data analysis.Nathan Rosidi -
How to Drop Duplicates in PySpark?
Learn how to ensure accurate analysis by identifying and removing duplicates in PySpark, using practical examples and best practices for handling large datasets.Nathan Rosidi -
What Is PySpark? Everything You Need to Know
What is PySpark? A Deep Dive into PySpark's Powerful Features, Practical Applications, and Expert Tips for Optimization.Nathan Rosidi -
PySpark Interview Questions for Data Science Excellence
Navigating Through Essential PySpark Interview Questions from Basics to Advanced for Aspiring Data Scientists.Nathan Rosidi -