In an earlier post, I looked at a couple of different ways to estimate the parameters of a latent Dirichlet allocation (LDA) model, namely the topic mixing proportions and the multinomial topic distributions . Continuing along those lines, here I describe yet another way of doing so. This way turns out to be much faster, [...]
Entries from June 2009
June 19, 2009
How far apart are you and I?
As a result of a conversation I recently had, I was curious to know how far two people plucked at random from the population of the world/US would be. I used the data from the R maps package and figured it out. Answer? Farther (or further?) than I would’ve thought. Assuming the readers of this [...]
