|The room is filled with ancient dates,|
Where I've been and what I ate.
Before I'm asked to throw them out,
I play with every little doubt.
|An attempt at tracking correlation between geography and happiness.
Q: So, how is the happiness variable plotted?
A: It isn't.
Q: Isn't happiness an important part of correlating happiness and location? Why was it excluded?
A: It was difficult to collect enough data.
Q: Why was it difficult to collect data?
A: Being asked about your happiness every few hours has side effects.