我搜索了整個網絡間的這一個,沒有發現任何東西,除了在堆棧溢出「刪除」的職位。Pybrain - 使用Backprop訓練器的SequentialDataSet給出了一個分區索引錯誤
的問題如下: 每個實例,PyBrain LSTM + SequencialDataSet教程givwa我下面的錯誤:
TypeError: slice indices must be integers or None or have an __index__ method
從我以前的搜索,這似乎是一個問題,即,在一定版本的python之後,整數運算返回float而不是整數
H但是,它似乎與其他人一樣使用像我這樣的Python 2.x。 有什麼想法?
代碼(不是我的,從另一個計算器交了):
from pybrain.tools.shortcuts import buildNetwork
from pybrain.supervised.trainers import BackpropTrainer
from pybrain.datasets import SequentialDataSet
from pybrain.structure import SigmoidLayer, LinearLayer
from pybrain.structure import LSTMLayer
import itertools
import numpy as np
INPUTS = 5
OUTPUTS = 1
HIDDEN = 40
net = buildNetwork(INPUTS, HIDDEN, OUTPUTS, hiddenclass=LSTMLayer, outclass=LinearLayer, recurrent=True, bias=True)
ds = SequentialDataSet(INPUTS, OUTPUTS)
ds.addSample([0,1,2,3,4],[5])
ds.addSample([5,6,7,8,9],[10])
ds.addSample([10,11,12,13,14],[15])
ds.addSample([16,17,18,19,20],[21])
net.randomize()
trainer = BackpropTrainer(net, ds)
for _ in range(1000):
print trainer.train()
x=net.activate([0,1,2,3,4])
print x
這給了我這個錯誤:
File "try3.py", line 27, in <module>
print trainer.train()
File "/usr/local/lib/python2.7/dist-packages/PyBrain-0.3.3-py2.7.egg/pybrain/supervised/trainers/backprop.py", line 57, in train
for seq in self.ds._provideSequences():
File "/usr/local/lib/python2.7/dist-packages/PyBrain-0.3.3-py2.7.egg/pybrain/datasets/sequential.py", line 173, in _provideSequences
return iter(map(list, iter(self)))
File "/usr/local/lib/python2.7/dist-packages/PyBrain-0.3.3-py2.7.egg/pybrain/datasets/sequential.py", line 169, in __iter__
yield self.getSequenceIterator(i)
File "/usr/local/lib/python2.7/dist-packages/PyBrain-0.3.3-py2.7.egg/pybrain/datasets/sequential.py", line 63, in getSequenceIterator
return zip(*self.getSequence(index))
File "/usr/local/lib/python2.7/dist-packages/PyBrain-0.3.3-py2.7.egg/pybrain/datasets/sequential.py", line 56, in getSequence
return [self._getSequenceField(index, l) for l in self.link]
File "/usr/local/lib/python2.7/dist-packages/PyBrain-0.3.3-py2.7.egg/pybrain/datasets/sequential.py", line 45, in _getSequenceField
return self.getField(field)[seq[index]:]
TypeError: slice indices must be integers or None or have an __index__ method
使用:
Python 2.7.6 (default, Oct 26 2016, 20:30:19)
[GCC 4.8.4] on linux2
它適用於Python 2.7.9,沒有問題。我的關鍵模塊是:Python 2.7.9,scipy 0.14.0和pybrain 0.3。看看你有什麼版本 –
當然可以:Python 2.7.6,scipy 0.18.1,PyBrain-0.3.3 –
好的,我剛剛在virtualenv中使用了你的版本,並且出現了錯誤。你擁有的版本和我擁有的版本有所變化。一個答案是使用virtualenv與更高版本的Python和模塊或升級你的。我還沒有深究究竟是什麼導致了這種情況,還有哪些地方存在差異。希望這有助於, –