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Sacha Epskamp Profile picture
Sacha Epskamp
@SachaEpskamp
Associate Professor at the Department of Psychology, National University of Singapore.
Apr 3, 2023 • 17 tweets • 7 min read
Should you learn AI tools now and adopt them in your work / studies? A🧵with some thoughts on AI capabilities and the dark side of AI, visualized by AI generated robot toucans. 🧵1 AI / deep learning has been around for some time, but really started to take flight (pun intended) around 2017. e.g. arxiv.org/abs/1704.01444 trained AI to predict characters in Amazon reviews, but also found an emergent property that the model performed sentiment analysis. 🧵2
Apr 1, 2023 • 4 tweets • 2 min read
This is how easy it is to AI generate a fake image of someone with different hair and clothes in a different setting. No programming experience training required. Completely free and open source. Runs locally on a standard gaming PC. 🧵1 After training a model extension on about 30 photos (takes about 15 minutes on a gaming PC) the sky is the limit. 🧵2 ImageImageImageImage
Mar 28, 2021 • 12 tweets • 5 min read
Last year, I recorded my talk intended for APS and put it on YouTube. In this talk I discuss different types of data and different types of analysis, and explain concepts such as within/between subject effects and ergodicity. Summary thread below! 1/12 Different types of data often used in psychology: single-measurement data (*not* always cross-sectional data!), N=1 time-series, and two types of N>1 longitudinal data: panel (high sample, low frequency) and time-series (medium sample and frequency). 2/12