... theperplexityoftheformusingtwomodels isactually marginally lower (better) than the perplex-ity of the form using a single model, so there doesnot seem to be any disadvantage to using it.The word ... variation, which appears tohave been missed by the conditional maxent com-munity. We show that this fast variation can alsobe used for conditional probabilities, and that it isuseful for ... comforting that SCGIS, like GIS, requires se-quential, notrandom, access to the training data. So,if one wanted to train a model using a large amountof data on disk or tape, this could still...