Questions tagged as 'redes-neurais'

Tagged questions
2
answers

Learning in neural networks

How does learning in neural networks occur? What is the concept behind? What is your relationship with "Deep Learning"?     
asked by 22.08.2015 / 12:16
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Prediction with Neural Networks TensorFlow

Hello, I'm having trouble implementing a neural network. My problem is that I can only implement it with an 'X' attribute I need help in this code for example, how do I put two input attributes? In the case of this code only has the attribu...
asked by 21.08.2017 / 23:14
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Why is the last forecast of the time series with the neuralnet package too dissimilar to the rest of the predictions?

I adjusted a neural network to forecast seasonal precipitation from the observed series. When I do validation with observed data, the results are good. But in the series predicted by the model, the last forecast is always with values much below...
asked by 20.11.2017 / 14:56
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How to normalize data? Any sklearn libbioteca?

I need to normalize data that I have to be between -1 and 1. I used StandardScaler, but the range got larger. What other sklearn library could I use? There are several in sklearn, but I could not, it should make life easier, but I do not t...
asked by 16.05.2018 / 00:03
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What is Bias in neural networks?

In my Artificial Intelligence class the teacher addressed the subject regarding neural networks, which in this case, neural networks have the layers, such as: input , hidden and output and the neurons that compose them. However, he cited...
asked by 25.10.2018 / 15:31
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Neural Networks and Artificial Intelligence in PHP? [closed]

I'm interested in creating intelligent software in PHP, but I do not know where to start, as there is little material about it. What do neural networks and artificial intelligence have in common or how do they work together? Where to begi...
asked by 03.06.2016 / 05:32
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Tensorflow - Which best model to carry out the training of real notes?

I am developing a college project to perform the recognition of the notes through the TensorFlow, but the big problem is that the notes of the real have a lot of similarity between them, especially in the back of the note, another problem is the...
asked by 02.05.2018 / 21:39
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How to calculate the number of connections in a Deep Network?

I have exactly this scenario and I need to know how many connections this set has. I searched in several places and I'm not sure of the answer. That is, I do not know how to calculate the number of connections on my network, this is still unclea...
asked by 23.04.2018 / 04:11
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how to define the input array for RNA training in the rnn package?

In the rnn package there is an example of how to do network training, which is described in this link (example 1). In the approach of this package the entries are given in the format of a array 3D, where the dim 1: samples; dim 2:...
asked by 08.08.2017 / 07:38
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Logic of a neural network implementation

Hello, Good Morning I made the implementation of a network, and it has the following matrix, where f (x) is an input vector (matrix 1,139), the matrix phi that has dimension 1.20 (20 due to the number of signals that I used it to train it) an...
asked by 24.06.2018 / 17:09