def load(cls, dir):
with open(dir, 'r') as f:
data = json.load(f)
layers = []
for layer in data['layers']:
if len(layers) == 0:
layers.append(Layer.from_dict(layer, data['input_nodes']))
else:
layers.append(
Layer.from_dict(layer, data['layers'][-1]['num_nodes']))
model = cls(input_nodes=data['input_nodes'],
layers=layers,
lr=data['lr'],
epochs=data['epochs'])
return model
