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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.
Welcome to the next 6 months of my data science learning journey! After being heavily inspired by Daniel Bourke’s AI masters curriculum, I have created my own learning curriculum that I will be following for the next 6 months. Will this be a challenge for me? Yes. Will the content be difficult and hard to […]
Business Intelligence forms the back-bone of decision making in an ever-growing number of organisations in the world today. More than ever, organisations need to be able to make fast decisions to changes in the market. Unfortunately, many businesses do not have a system that allows them to obtain the insights they need to do this. […]
In this week’s data science project, I apply principal component analysis to a dataset based around hospital mortality using python. The dataset is extensive, containing over 50 variables on demographic characteristics, vital signs, and other measurements taken in the lab. This should be a perfect use-case for dimensionality reduction with PCA. What is Principal Component […]
In this data science project, I tackle the problem of data segmentation or clustering, specifically applied to customer data. There are a couple of different algorithms to choose from when clustering your data depending on your requirements and inputs. However, K-Means clustering is one of the most popular methods in machine learning and is the […]