import os import cPickle from blocks.initialization import IsotropicGaussian, Constant from blocks.algorithms import Momentum import data from model.dest_mlp import Model, Stream n_begin_end_pts = 5 # how many points we consider at the beginning and end of the known trajectory dim_embeddings = [ ('origin_call', data.origin_call_train_size, 10), ('origin_stand', data.stands_size, 10), ('week_of_year', 52, 10), ('day_of_week', 7, 10), ('qhour_of_day', 24 * 4, 10), ('day_type', 3, 10), ('taxi_id', 448, 10), ] dim_input = n_begin_end_pts * 2 * 2 + sum(x for (_, _, x) in dim_embeddings) dim_hidden = [500] dim_output = 2 embed_weights_init = IsotropicGaussian(0.01) mlp_weights_init = IsotropicGaussian(0.1) mlp_biases_init = Constant(0.01) step_rule = Momentum(learning_rate=0.001, momentum=0.9) batch_size = 200 max_splits = 100