Welcome to my Data Science Practice Questions repository. This repository contains my worked solutions to practice questions created by Avi Chawla, which can be found here.
This repository contains a collection of practice questions for:
- Pandas
- NumPy
- SQL
Each section is dedicated to a specific technology and contains questions ranging from beginner to advanced levels.
- Input and Output Operations in Pandas
- General functions on a DataFrame and a Series
- Data manipulation
- Filtering operations
- GroupBy methods
- Joins
- Rolling window approaches
- Data Analysis
- Numpy Array Creation Methods
- NumPy Array Manipulation
- Mathematical Operations on NumPy Arrays
- Matrix and Vector Operations
- Sorting Methods
- Searching Methods
- Statistical Methods
- Data manipulation
- Data analysis
- Table updates
- GroupBy operations
- SQL Joins
- Filtering methods