Traffic Sign Classifier: Normalising Data

Jessica YungSelf-Driving Car ND, Statistics1 Comment

In this post, we’ll talk about (1) what normalising data is, (2) why you might want to do it, and (3) how you can do it (with examples). Background: The Mystery of the Horrifically Inaccurate Model Let me tell you a story. Once upon a time, I trained a few models to classify traffic signs for Udacity’s Self-Driving Car Nanodegree. I first … Read More

Analyse Text and CSVs easily with DataBasic.io

Jessica YungData ScienceLeave a Comment

In today’s post I’m going to explore a fun data analysis tool for beginners – DataBasic.io. I had a great time trying it out – you should have a go too! DataBasic performs simple but insightful operations on data. No technical expertise (beyond being able to navigate a webpage) is required. DataBasic comprises three tools to help you understand textual and … Read More

How to: Compile Exam Questions

Jessica YungData Science, StudyingLeave a Comment

It’s that time of year again! Here’s a walkthrough for compiling exam questions for more effective revision. Go to a year’s exam paper and copy the questions. Paste questions into (e.g. Workflowy) document, taking note of which year the paper was from. 2. Switch to the next year’s paper by changing the URL instead of going back to the exams page … Read More