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Because you don't (and probably can't) know that this model is accurate? Also, there are a lot of populations which are not present on Twitter at all, and more
by Godel_unicode 10y ago
Because you don't (and probably can't) know that this model is accurate? Also, there are a lot of populations which are not present on Twitter at all, and more which are not present in meaningful numbers.
- dapz 10y agoSuch models presumably can be tested in some sense. E.g. build some sort of predictive model of elections in each state using Twitter users as a surrogate, see how well you do. I'm not claiming that such a model is guaranteed to be perfect or even as good as a pollster, but it sounds in principle like a reasonable thing to do, if you take appropriate precautions to reduce bias.
- eveningcoffee 10y agoAt least one can try definitely.