nitarshan/bayesian-neural-networks

Edward implementation of Bayesian Neural Networks

A simple introduction to Bayesian Neural Networks, using the Edward probabilistic programming framework on TensorFlow.

Inspired by and based on the example provided in the Edward codebase: http://edwardlib.org/tutorials/bayesian-neural-network

bayesian-neural-networks's Issues

inference.run raised IndexError: list index out of range

using spyder, tf 1.8 python 3.5

inference.run(n_iter=500)
Traceback (most recent call last):

File "", line 1, in
inference.run(n_iter=500)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\inferences\inference.py", line 125, in run
self.initialize(*args, **kwargs)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\inferences\klqp.py", line 110, in initialize
return super(KLqp, self).initialize(*args, **kwargs)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\inferences\variational_inference.py", line 68, in initialize
self.loss, grads_and_vars = self.build_loss_and_gradients(var_list)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\inferences\klqp.py", line 145, in build_loss_and_gradients
return build_reparam_kl_loss_and_gradients(self, var_list)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\inferences\klqp.py", line 717, in build_reparam_kl_loss_and_gradients
qz_copy = copy(qz, scope=scope)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\util\random_variables.py", line 249, in copy
value, dict_swap, scope, True, copy_q, False)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\util\random_variables.py", line 91, in _copy_default
x = copy(x, *args, **kwargs)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\util\random_variables.py", line 273, in copy
new_op = copy(op, dict_swap, scope, True, copy_q, False)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\edward\util\random_variables.py", line 319, in copy
op_def)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\tensorflow\python\framework\ops.py", line 1790, in init
op_def, inputs, node_def.attr)

File "C:\Users\Latitude\Anaconda3\envs\venv\lib\site-packages\tensorflow\python\framework\ops.py", line 1849, in _reconstruct_sequence_inputs
grouped_inputs.append(inputs[i])

IndexError: list index out of range