Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago. Improve this question Can someone explain what the difference is between classification and clustering in data mining? If … Read more
I’m trying to train a CNN to categorize text by topic. When I use binary cross-entropy I get ~80% accuracy, with categorical cross-entropy I get ~50% accuracy. I don’t understand why this is. It’s a multiclass problem, doesn’t that mean that I have to use categorical cross-entropy and that the results with binary cross-entropy are … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question Suppose I’m working on some classification problem. (Fraud detection and comment spam are two problems I’m … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed last year. Improve this question Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed last year. Improve this question When I trained my neural network with Theano or Tensorflow, they will report a variable called “loss” per epoch. How … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed last year. Improve this question When we have to predict the value of a categorical (or discrete) outcome we use logistic regression. I believe we … Read more
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question In terms of artificial intelligence and machine learning, what is the difference between supervised and … Read more
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed last year. Improve this question What is the difference between epoch and iteration when training a multi-layer perceptron? 14 Answers 14 In the neural network … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 1 year ago. Improve this question I’m aware of the gradient descent and the back-propagation algorithm. What I don’t get is: when is using a … Read more
