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My name is Joleen, I’m a data scientist and writer and I use this blog to share my passion for data science and statistics.
Blog Every week, I post new articles on data science, statistics and business intelligence. Here are my latest articles.
Stochastic Gradient Descent in Python
What is Stochastic Gradient Descent? Stochastic gradient descent is an optimisation technique, and not a machine learning model. It is a method that allow us to efficiently train a machine learning model on large amounts of data. The word ‘descent’ gives the purpose of SGD away – to minimise a cost (or loss) function. For […]
Is a Masters Degree Really Worth It For a Career In Data Science?
Since data science is such a new profession, there is a lot of confusion and uncertainty around job requirements and qualifications. A common question that gets asked is: what kind of qualifications are necessary to get a job in data science and is a Masters degree or PhD really worth it? I wanted to share […]
4 Ways I Stay Productive While Working From Home
I have a definite love-hate relationship with productivity. To me, being productive means that I am actively working towards my goals and dreams. However, productivity is not something I can objectively obtain every day. Instead, it ebbs and flows based on so many factors such as diet, sleep, sickness, weather, connection, conflict, my own internal […]
4 Strategies I Use to Self-Study Technical Textbooks
Reading a textbook for self-study is very different to school or university. Back when I was in school, I read the textbook for the sole purpose of doing well on a test and it didn’t really matter if I couldn’t apply the concepts I was learning about. However, I have come to realise that this […]