Home|

Category: Cheat Sheets

Top 20 SQL JOINs Interview Questions and Answers (2023)

Data is very valuable to organizations. Actionable insights that give an organization competitive advantage and help it run more efficiently can be extracted from the organization’s data. Therefore, data must be collected and stored. Databases are an organized way to store and query data. There are two main types of databases: relational and non-relational. Relational […]

Read More

Pandas Cheat Sheet — Python for Data Science

Download a free pandas cheat sheet to help you work with data in Python. It includes importing, exporting, cleaning data, filter, sorting, and more.

Read More

Regex Cheat Sheet: A Quick Guide to Regular Expressions in Python

Keep this PDF Python cheat sheet nearby anytime you need to use regular expressions for your data science work, as a quick, handy reference.

Read More

Python Cheat Sheet for Data Science: Intermediate

The printable version of this cheat sheet The tough thing about learning data is remembering all the syntax. While at Dataquest we advocate getting used to consulting the Python documentation, sometimes it’s nice to have a handy reference, so we’ve put together this cheat sheet to help you out! This cheat sheet is the companion […]

Read More

Python Cheat Sheet for Data Science: Basics

It’s common when first learning Python for Data Science to have trouble remembering all the syntax that you need. While at Dataquest we advocate getting used to consulting the Python documentation, sometimes it’s nice to have a handy reference, so we’ve put together this cheat sheet to help you out! This cheat sheet is the […]

Read More

NumPy Cheat Sheet — Python for Data Science

NumPy is the library that gives Python its ability to work with data at speed. Originally, launched in 1995 as ‘Numeric,’ NumPy is the foundation on which many important Python data science libraries are built, including Pandas, SciPy and scikit-learn. It’s common when first learning NumPy to have trouble remembering all the functions and methods […]

Read More