Hey, thank you for informative comments. I would gladly read more about hierarchical Bayesian regression. Would you recommend any sources from which I could learn more?
(I am fully aware that I can google it but in my opinion it's usually better to ask someone who is already familiar with the topic because he/she may know good learning materials.)
(I am fully aware that I can google it but in my opinion it's usually better to ask someone who is already familiar with the topic because he/she may know good learning materials.)