1 files changed, 31 insertions, 0 deletions
diff --git a/model/time_mlp.py b/model/time_mlp.py
new file mode 100644
index 0000000..a52590d
--- /dev/null
+++ b/model/time_mlp.py
@@ -0,0 +1,31 @@
+from blocks.bricks import application, Identity
+
+import error
+from model.mlp import FFMLP, Stream
+
+
+class Model(FFMLP):
+    def __init__(self, config, **kwargs):
+        super(Model, self).__init__(config, output_layer=Identity, **kwargs)
+        self.inputs.append('input_time')
+
+    @application(outputs=['duration'])
+    def predict(self, **kwargs):
+        outputs = super(Model, self).predict(**kwargs).flatten()
+        if hasattr(self.config, 'exp_base'):
+            outputs = self.config.exp_base ** outputs
+        return kwargs['input_time'] + outputs
+
+    @predict.property('inputs')
+    def predict_inputs(self):
+        return self.inputs
+
+    @application(outputs=['cost'])
+    def cost(self, **kwargs):
+        y_hat = self.predict(**kwargs)
+        y = kwargs['travel_time']
+        return error.rmsle(y_hat, y)
+
+    @cost.property('inputs')
+    def cost_inputs(self):
+        return self.inputs + ['travel_time']