Positive Economics History, Theory, Pros and Cons, and Example

Positive economics is a fact-based analysis of what is occurring in an economy, without making prescriptions of what should or should not be happening.
IEEE

EEG-based Positive-Negative Emotion Classification Using Machine Learning Techniques

Abstract: The aim of this study is to find useful electrodes for positive-negative emotion classification based on EEG. We collected EEG signals from 30 people aged 19-38 using 14 electrodes. We used ...