It may be useful having a look at Linguistic Enquiry and Word Count (LIWC):

https://liwc.wpengine.com/

Hi Dario,

Yes we use LIWC to extract the raw features, but we want to construct a list of features a higher level to feed into our mood model.

Hi Eiman,

This paper looks interesting:

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0207996

I hope it helps,

Eiman Kanjo Here is a paper which created Mental Well-Being Index https://precog.iiitd.edu.in/pubs/mental-wellbeing-2017.pdf and analyzed college campuses in the US using Reddit.... Hope this is helpful... Feel free to reach out if you need any further information..