Learning & Building in Data Science Sharing my journey as I pave my own path through the world of data science
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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.
Some of the companies I have worked with:
Blog Every week, I post new articles on data science, statistics and business intelligence. Here are my latest articles.
Getting Started with Logging in Python
The Python logging module has been part of my toolkit since the very beginning of my data science journey (thanks to a former colleague who helped me build my first web scraper and showed me some good practices to start with early rather than later). Now, whenever I create a python script (especially ones that […]
The Most Common Power BI Functions I Used in 2020
Power BI has been my go-to data visualisation and business intelligence tool for the last 3 years. I have built corporate dashboards with it and used it as my own little exploration tool when I’m tackling a new data set for the first time. Since I’ve been getting more and more proficient at using the […]
Data Science Mindset: Tackling Impostor Syndrome
At what point do you get to declare “I am a data scientist”? How many PhD’s, decades of experience or deep learning models do you need to have under your belt before you feel like a ‘real’ data scientist? The truth is, data science is advancing so rapidly that it really is impossible to keep […]
Blog vs Kaggle vs GitHub: Choosing Where to Publish Your Data Science Portfolio
If you have read my beginners guide to building a data science portfolio then you already know how important it is to find a way to demonstrate your skills, especially if you don’t have any work experience yet. The three most popular platforms for building a portfolio are Github, Kaggle and a personal website or blog. At […]