Data Science Tutorials

Understand the various Power BI visuals and how to create them in this beginner’s guide.

Learn how to use the Drill Through Function in Power BI in this complete guide.

Master the git clone command with this comprehensive guide—covering protocols, options, workflows, and real-world usage across platforms.

Unlock the power of linear regression in Excel with the versatile LINEST() function. Learn how to use LINEST() for trend analysis, forecasting, and more.

A deep dive into how AWS generative AI powers scalable, secure, and cost-optimized AI applications across industries. Ideal for teams ready to move from pilot to production.

Calculate the strength of a linear relationship between two data sets. Use RSQ() to find the coefficient of determination quickly in Excel. Learn syntax, see practical examples, and troubleshoot common mistakes.

Understand what the coefficient of determination means in regression analysis. Learn how it’s calculated, how to interpret its value, and when to use adjusted R-squared and partial R-squared instead.

Learn how to use git revert to undo your latest Git commit without rewriting history. Understand its effects, compare it with git reset, and handle real-world edge cases.

Learn what Google’s SynthID is, how it works, and how to implement a SynthID watermark for text.

Identify all kinds of errors in your Excel formulas with the ISERROR() function.

Get the current date and time instantly in Excel with the NOW() function. Learn how to use NOW(), its syntax, and practical examples for dynamic spreadsheets.

This post breaks down the action-value function, a core concept in reinforcement learning, and walks you through implementing it using Q-learning and DQNs in Python.