#Python

Source: https://github.com/hlud6646/us-accidents

An interviewer asked me ‘What kind of exposure to SQL have you had?’ and I felt that my answer of ‘one uni subject and some hacker-rank practice problems’ was insufficient. Next time I will tell them about this.

I wanted to do …

Source: https://github.com/hlud6646/data-practice/tree/main/04-Neural-Networks

I’m filling in some gaps from my masters and one of the side-quests that I never completed was coding up a neural network from scratch. These models have the reputation of being a ‘black box’ where data …

It’s well known that vectorised operations should be preferred in numpy/pandas for reasons of performance. A less common reason is that it actually makes the code easier to read. For a simple example imagine that you are doing a multivariate linear regression to transform an $n$ dimensional …