My name is Jodie Burchell and I'm a data scientist living in the beautiful city of Berlin, Germany. This blog is a collection of my projects and things I've learned using Python, R, SQL and other tools. The opinions expressed here are my own and do not reflect on my employer.

When I first learned least-squares linear regression in my undergrad degree, I remember that we approached it in the “calculus” way: taking the sum of the squared differences for each observation and solving a massive (and tedious) equation until we arrived at our coefficients and line of best fit. I …

Today we will continue our discussion of the basic operations you can do with matrices in linear algebra. In the last post we covered addition, subtraction, scalar multiplication and matrix multiplication. This week, we’ll cover matrix inversion.

So far we’ve seen matrix addition, subtraction and multiplication, but what …

Last year, I had the chance to enrol in a mathematics degree by distance, which has been extremely helpful for filling in some gaps in my maths knowledge that I have coming from a behavioural sciences background. As I work my way through my degree, I’ll be posting about …

Having heard people talk about the performance improvements that Fortran gives over R or Python, I got curious - how hard is it to learn? Turns out that more recent standards of Fortran, such as Fortran 95, are pretty easy to pick up, so I started working my way through this …