Python Lists vs Dictionaries: The space-time tradeoff

Jessica YungProgramming, Python

If you had to write a script to check whether a person had registered for an event, what Python data structure would you use? It turns out that looking up items in a Python dictionary is much faster than looking up items in a Python list. How much faster? Suppose you want to check if 1000 items (needles) are in … Read More

RNNs as State-space Systems

Jessica YungEngineering, Machine Learning

It’s fantastic how you can often use concepts from one field to investigate ideas in another area and improve your understanding of both areas. That’s one of the things I enjoy most. We’ve just started studying state-space models in 3F2 Systems and Control (a third-year Engineering course at Cambridge). It’s reminded me strongly of recurrent neural networks (RNNs). Look at … Read More

Effective Deep Learning Resources: A Shortlist

Jessica YungArtificial Intelligence, Data Science, Education, Machine Learning, Studying

A lot of people ask me how to get started with deep learning. In this post I’ve listed a few resources I recommend for getting started. I’ve only chosen a few because I’ve found precise recommendations to be more helpful. Let me know if you have any comments or suggestions! Prelude: If you’re new to machine learning Deep learning is … Read More

AlphaGo Zero: An overview of the algorithm

Jessica YungArtificial Intelligence, Highlights

In this post I go through the algorithms presented in the groundbreaking AlphaGo Zero paper using pseudocode. The objective is to provide a high-level idea of what the model does. Why AlphaGo Zero matters Last week, Google DeepMind published their final iteration of AlphaGo, AlphaGo Zero. To say its performance is remarkable is an understatement. AlphaGo Zero made two breakthroughs: … Read More

Self-Driving Car Engineer Nanodegree Term 1 Review

Jessica YungCareers, Self-Driving Car ND

Many people have asked me what I think about Udacity’s Self-Driving Car Engineer Nanodegree (SDCND). This review aims to help you make a decision as to whether or not to enrol in the first term of Udacity’s SDCND. In short, I think that if you are considering it because you want to work in the self-driving car industry and you … Read More