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POAttributeError: 'NoneType' object has no attribute 'indim'
 

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  1. POAttributeError: 'NoneType' object has no attribute 'indim'
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    <p>I'm working with the package 'pybrain' and trying to build a neural network that will recognize images. The part of analyzing the photo is working very well, but as one who is new to pybrain- I'm not used to working with it. Somehow I keep getting the following error:</p> <pre><code>AttributeError: 'NoneType' object has no attribute 'indim' </code></pre> <p>I've tried to solve this problem like a day or so and still doesn't get it. here's part of my code:</p> <pre><code>target=np.array([[0],[1]]) input=getNumberOfImages("photosAfterAverage/",1,2) ds=SupervisedDataSet(72,1) ds.setField('target',target) ds.setField('input',input) print ds.data net=buildNewNetwork(72,76,1) trainer = BackpropTrainer(net, ds) </code></pre> <p>Assume that input is a 2 dimensional containg each cell 72 cells.</p> <p>Edit: As requested, the whole error:</p> <pre><code>Traceback (most recent call last): File "C:\Users\Eytan\Desktop\Mah\Kids_Painting\pyBrainDiffrenceBetween5GradeAnd2Grade.py", line 53, in &lt;module&gt; trainer = BackpropTrainer(net, ds) File "C:\Python27\pybrain\supervised\trainers\backprop.py", line 35, in __init__ self.setData(dataset) File "C:\Python27\pybrain\supervised\trainers\trainer.py", line 22, in setData assert dataset.indim == self.module.indim AttributeError: 'NoneType' object has no attribute 'indim' </code></pre> <p>It may be helpful to point out that the following code is working:</p> <pre><code>net=buildNetwork(2,500,1) ds=SupervisedDataSet(2,1) input=array([[0,1],[1,3434],[34,65],[40,56]]) target=array([[0],[1],[0],[1]]) ds.setField('input',input) ds.setField('target',target) print ds.data trainer = BackpropTrainer(net, ds) </code></pre> <p>Thanks very much for answering, I found the problem- the right function that should have been used is buildNetwork instead of buildNewNetwork.</p>
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    1. USuser2129468
    1. USuser2129468
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      1. POAttributeError: 'NoneType' object has no attribute 'indim'
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      1. VTUpMod
    1. COThere is no `indim` in your code. Please provide the stack trace. That makes it a lot easier to reason about the problem.
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      1. POAttributeError: 'NoneType' object has no attribute 'indim'
      1. USThomas Fenzl
 

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