Linked Questions
208 questions linked to/from What should I do when my neural network doesn't learn?
0 votes
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122 views
train_accuracy and train_loss are not consistent in binary classification [duplicate]
I am training a binary classification algorithm in Keras, the loss is cross-entropy ...
2 votes
0 answers
167 views
Why is my 1D CNN so bad?
TLDR: My 1D CNN is doing a really bad job classifying graphs. Here's more context: Note: I've tried adopting the advice listed here and here, but my CNN hasn't stopped overfitting. I've already tried ...
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140 views
How can reduce improve my ANN accuracy and reduce overfitting?
My ANN model produces classic overfitting characteristics, producing high R2 values (90-99%) but low accuracy scores (10-40%). I'm currently inputting 28655 data entries, using 8 input features to ...
1 vote
1 answer
67 views
What does linear regressor output mean? I am using tensorflow estimator in R
I try the code at tensorflow in R tutorial (https://tensorflow.rstudio.com/tfestimators/) but I cannot understand the output what the code produces. Code: ...
2 votes
0 answers
96 views
Can a neural network fail to replicate the training data if trained on a very small dataset?
I created a neural network and I have trouble getting it to train. I followed all advice in this post: What should I do when my neural network doesn't learn? but have not had success yet. Then I ...
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84 views
Neural network loss not dropping to expected levels
I am attempting to create a neural network that can learn to evaluate chess positions. I'm following along with this paper and trying to recreate its results. The general idea is to have the NN ...
1 vote
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86 views
Neural network fails to learn regression task when inputs are generated from a simple analytical function
Problem discription I have a forth order polynomial function clearly defined. I would sample $n$ number of points and feed them to my function to get the corresponding $y$ values. I then apply a FC ...
2 votes
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56 views
Does a model fitted in a Regression Tree will also fit a NN?
I currently have a quite ok model fitting my data with Regression Tree and a Random Forest. However, while trying to move on to a Neural Network (to evaluate other models), I have been struggling to ...
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65 views
Validation error saturates
I am training Autoencoder (1 hl) on keras. I have used validation split of 20%. Training seems ok, but for the validation set the MSE error(shown in blue) seems to saturate with whatever no. of hidden ...
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78 views
Loss indicates Underfitting, Metrics indicate overfitting. What now?
While fine-tuning a deep neural network I ran into the following situation: My train- and validation loss are both decreasing and have very similar values throughout training. Especially the train-...
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62 views
What if I am not satisfied with the validation accuracy?
Most learning (training and validation) curves that I see in literature and through online resources depict a steep decrease/increase in loss/accuracy during initial epochs followed by a subsequent ...
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51 views
VGG16 based model not learning to recognize emotions from videos
My model looks like this ...
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50 views
Model training loss always converge to 1.35
I'm trying to create a multi-class classification model using RNNs. The input data has a sequence length of 90 and consists of 5 features, normalized to the [0,1] range. Here's the network ...