Using Topic Modelling to learn from Open Questions in Surveys
Another presentation I gave at the General Online Research (GOR) conference in March1, was on our first approach to using topic modelling at SKOPOS: How can we extract valuable information from survey responses to open-ended questions automatically? Unsupervised learning is a very interesting approach to this question — but very hard to do right.
Predicting EVE Online item sales (BVM Data Science Cup 2017)
This year, the BVM (German professional association for market and social researchers), hosted their first Data Science Cup. There were four tasks involving the prediction of sales data for the online sci-fi game “EVE Online”. It was my first year working in market research and applying statistics and machine learning algorithms in a real-world context. […]