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Showing posts with the label Neural Network

Keras Neural Network. Preprocessing

I have this doubt when I fit a neural network in a regression problem. I preprocessed the predictor… Read more Keras Neural Network. Preprocessing

Neural Network Sigmoid Function

I'm trying to make a neural network and I have a couple of questions: My sigmoid function is li… Read more Neural Network Sigmoid Function

How To Create A Loss Function With Mse That Uses Tf.where() To Ignore Certain Elements

Here is the function currently. Here, it removes from the MSE any values where y_true is less than … Read more How To Create A Loss Function With Mse That Uses Tf.where() To Ignore Certain Elements

Pybrain Multi Dimensional Data Input

I have some data that has a dimension of 8x128 for each record. I wanted to train a Neural Network … Read more Pybrain Multi Dimensional Data Input

Tensorflow Copy Weights Issue

I am using Tensorflow 0.8 to train the Deep Neural Networks. Currently, I encounter an issue that I… Read more Tensorflow Copy Weights Issue

Error In Calculating Neural Network Test Accuracy

I tried to train my neural network, and then evaluate it's testing accuracy. I am using the cod… Read more Error In Calculating Neural Network Test Accuracy

Adding A Constant To Loss Function In Tensorflow

I have asked a similar question but no response. So I try it again, I am reading a paper which sugg… Read more Adding A Constant To Loss Function In Tensorflow

Lstm With Varying K-hot Encoded Vector

Followup question from: LSTM with keras In this example a one hot encoded vector is used to perform… Read more Lstm With Varying K-hot Encoded Vector

How To Change Keras Optimizer Code

I am really new to Keras so forgive me if my query is a bit silly. I installed Keras in my system u… Read more How To Change Keras Optimizer Code

Tensorflow: How To Handle Void Labeled Data In Image Segmentation?

I was wondering how to handle not labeled parts of an image in image segmentation using TensorFlow.… Read more Tensorflow: How To Handle Void Labeled Data In Image Segmentation?

How Can I Know Whether "bias" Exists In A Layer?

I'm trying to read weight and bias in a caffe network with pycaffe. Here is my code weight = ne… Read more How Can I Know Whether "bias" Exists In A Layer?

Make A Custom Loss Function In Keras In Detail

I try to make a custom loss function in Keras. I want to make this loss function The dimension of … Read more Make A Custom Loss Function In Keras In Detail

Keras List Of Numpy Arrays Not The Size Model Expected

I am having trouble finding the correct way of passing multiple inputs to a model. The model has 2 … Read more Keras List Of Numpy Arrays Not The Size Model Expected

Scikit-neural_network Has Trouble With Input Data

I'm trying to train some neural network using sknn. I have preprocessed my data through a panda… Read more Scikit-neural_network Has Trouble With Input Data

Keras: Using The Sum Of The First And Second Derivatives Of A Model As Final Output

Suppose that I created this model using Keras: model = Sequential() model.add(Dense(32, activation=… Read more Keras: Using The Sum Of The First And Second Derivatives Of A Model As Final Output

Attributeerror: 'list' Object Has No Attribute 't'

I have been trying to implement a neural network in python that uses back propagation and keep gett… Read more Attributeerror: 'list' Object Has No Attribute 't'

Can Not Squeeze Dim[1], Expected A Dimension Of 1, Got 5

I tried different solutions but still facing the issue. Actually I am new in Ml/DL (python). In whi… Read more Can Not Squeeze Dim[1], Expected A Dimension Of 1, Got 5

Tensorflow Crash With Cudnn_status_alloc_failed

Been searching the web for hours with no results, so figured I'd ask here. I'm trying to ma… Read more Tensorflow Crash With Cudnn_status_alloc_failed

Feeding Labels With One Hot Encoded Vectors In Neural Network

I'm trying to create a Categorical classification Neural Network(NN) I have been given dataset … Read more Feeding Labels With One Hot Encoded Vectors In Neural Network

Derivatives Of N-dimensional Function In Keras

Say I have a bivariate function, for example: z = x^2 + y^2. I learned that on Keras I can compute … Read more Derivatives Of N-dimensional Function In Keras