A proposal for a new kind of “dyadic assessment” for improving teaching and learning. It’s early where I sit writing, so let’s imagine we own a coffee shop together. We need - great espressos, because delivering great coffee is why we exist. Here’s what coffee progress would look like using…

Everything you need to know to create vivid charts — Color plays a significant role in any design, and data visualization is no different. On top of setting the tone, it often impacts our perception. Consider the following example. Without reading the title, what would you think if you saw the chart on the left (the red one)? And what…

Make your Python code concise with these one-liners — When we start learning Python, we usually write code that gets the job done without paying attention to the readability of our code and how concise and efficient it is. That’s fine, but there are ways to make our Python code shorter without neglecting readability. …

To improve your chances of getting an interview — The data science resume is not something that will get you a job. There are many more important parts of the interview process. That being said, a great resume can win you an interview and help you to avoid rejection before a company ever gets to meet you. Usually, resumes…

This roadmap will guide you through becoming a data analyst through part-time study — The Great Resignation is the perfect time to leave your unfulfilling career behind to become a data analyst. Never before has there ever been such a mass exodus of people looking for better opportunities that encompass room for advancement, flexible working conditions, respect in the office, and fair wages. With…

Regression coefficients alone do not tell you what you need to know — Logistic regressions are always praised for their interpretability, but in practice they are often misunderstood. In these cases it is usually assumed that coefficients in the logistic model work the same way as those in a multiple linear regression model. But this is not the case. …

A guide to getting your MacBook ready for ML development — [Updates 3 July 2022: Added section on Chrome Extensions] [Updates 5 July 2022: Added TunnelBlick, Obsidian, Rectangle and kubectx/kubens] [Updates 2 Aug 2022: Added Picture-in-Picture Chrome Extension] As an engineer, a personalized development environment is absolutely essential for productivity. These are the things I do to setup my MacBook as…

Salary is a sensitive topic. Should it be? — There are a lot of good reasons why salaries should be transparent. It helps candidates to not waste time on opportunities that pay less than they want. It shines light on pay gaps between genders and other groups. And it helps employees understand if they’re underpaid in their current roles. …

Why it’s important to be able to think mathematically as a data scientist — and a detailed example of how to do it — When I took my first math class in college, I was hopelessly lost. It seemed as if the professor was speaking in a different language, and I found myself consistently confused on the assignments and exams. …