Data Science Practice Questions

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.

Table of Contents

• Introduction
• Pandas Practice Questions
• NumPy Practice Questions
• SQL Practice Questions

Introduction

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.

Pandas Practice Questions:

1. Input and Output Operations in Pandas
2. General functions on a DataFrame and a Series
3. Data manipulation
4. Filtering operations
5. GroupBy methods
6. Joins
7. Rolling window approaches
8. Data Analysis

NumPy Practice Questions

1. Numpy Array Creation Methods
2. NumPy Array Manipulation
3. Mathematical Operations on NumPy Arrays
4. Matrix and Vector Operations
5. Sorting Methods
6. Searching Methods
7. Statistical Methods

SQL Practice Questions

1. Data manipulation
2. Data analysis
3. Table updates
4. GroupBy operations
5. SQL Joins
6. Filtering methods