Big Data / Machine Learning (2-3 December 2021)
EPP Symposium 141

Claudi Bockting will start with a keynote lecture presenting a multidisciplinary approach with the help of complexity systems science in order to find new pathways to target common mental health conditions.

George Azzopardi will address one of the challenges that the era of big data has brought with it, namely dealing with many independent variables also known as ‘curse of dimensionality’. He will discuss and demonstrate the role of machine learning in determining the relevance of the given independent variables. In particular, he will describe a recent novel method, called FeatBoost, which attempts to determine the subset of independent variables with the highest predictive power. Moreover, he will describe the predictive analysis approach that he recently published in sports psychology/science where the determination of the relevances of independent variables facilitate the interpretation of the results for the practitioners.

Next, Giovianni Briganti will be talking about the use of Bayesian Artificial Intelligence (AI), namely Bayesian networks and other graphical models to investigate causal inference and the complexity of mental disorders. This will be illustrated with R using prepared code
Wouter Durnez will discuss ‘deep learning’ and how we can use this technique to precict neural correlates. He will discuss an example of the segmentation of tumors from MRI data.

Finally, Gert Vanhollebeke will explain the common made errors using ML (such as “higher accuracy is better”, curse of dimensionality, data leakage, and overfitting among other things), and how we can avoid these errors.

**Due to the nature of this methodological symposium, we allowed ample time for hands-on work**.

December 2-3, 2021

Kapellerput, Heeze – the Netherlands

Marie-Anne Vanderhasselt (UGent), Charmaine Borg (Groningen)

Thursday December 2 
10.30 – 11.00 Walk-in with Coffee/Tea
11.00 – 12.00 Keynote Lecture Claudi Bockting: “No (wo)man is alone on an island: embracing the complexity of common mental health conditions”
12.00 – 13.00 Lunch
13.00 – 14.00 George Azzopardi: Finding the needles and their worth in a haystack of high dimensional data
( (
14.00 – 14.45 Giovanni Briganti (
14.45 – 15.15 Coffee
15.15 – 16.30

16.30 – 18.00

Giovanni Briganti

EPP Run (Bring your running shoes!), or EPP relax.

18.30 – 20.00 Dinner at Kapellerput and drinks afterwards
Friday December 3
09.00 – 10.15 Wouter Durnez (
10.15 – 10.30 Coffee
10.30 – 12.00 PhD Talks:
1. Hanieh Abediterhani
2. Sacha Duken
3. To be determined
12.00 – 13.00 Lunch
13.00 – 15.00 Gert Vanhollebeke (
15.00 – 15.30 Conclusion, debriefing and evaluation
15:30 End



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