To see where these perspectives on food differ the most, we computed the ratio of the probability of each word given the topic between the two datasets.
if p = P (w|z) in the locals data and q = P (w|z) in the tourists data, then λ = p/q gives us a measure of how much more (or less) prominent that word is among locals than it  shoes  fashion  price  garden  water  cat  church  krishna  god  fashion  women  posted  dog  energy  cats  god  religion  sin  clothing  indian  earrings  pet  carbon  dog  john  religious  john  high  designer  length  cat  earth  pet  todd  spiritual  spirit  designer  sarees  item  dogs  green  training  bentley  guru  things  style  leather  sgd  pets  solar  pets  jesus  lord  lamb  love  girls  silver  gardening  jai  hamster  christ  sri  exodus  london  china  clothes  cats  climate  cute  luke  shri  suffering  shirts  jewellery  shop  puppy  environment  hamsters  bible  baba  cross  bag  jewelry  code  flowers  warming  rabbit  christian  hindu  lives   Table 2: A sample of topics induced on a set of blogs from 3 countries.