diff options
Diffstat (limited to 'model/dest_simple_mlp_tgtcls.py')
-rw-r--r-- | model/dest_simple_mlp_tgtcls.py | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/model/dest_simple_mlp_tgtcls.py b/model/dest_simple_mlp_tgtcls.py deleted file mode 100644 index 46fca2b..0000000 --- a/model/dest_simple_mlp_tgtcls.py +++ /dev/null @@ -1,34 +0,0 @@ -import numpy -import theano -from theano import tensor -from blocks.bricks import application, Softmax - -import error -from model.mlp import FFMLP, Stream - - -class Model(FFMLP): - def __init__(self, config, **kwargs): - super(Model, self).__init__(config, output_layer=Softmax, **kwargs) - self.classes = theano.shared(numpy.array(config.tgtcls, dtype=theano.config.floatX), name='classes') - - @application(outputs=['destination']) - def predict(self, **kwargs): - cls_probas = super(Model, self).predict(**kwargs) - return tensor.dot(cls_probas, self.classes) - - @predict.property('inputs') - def predict_inputs(self): - return self.inputs - - @application(outputs=['cost']) - def cost(self, **kwargs): - y_hat = self.predict(**kwargs) - y = tensor.concatenate((kwargs['destination_latitude'][:, None], - kwargs['destination_longitude'][:, None]), axis=1) - - return error.erdist(y_hat, y).mean() - - @cost.property('inputs') - def cost_inputs(self): - return self.inputs + ['destination_latitude', 'destination_longitude'] |