Top "Machine-learning" questions

Implementation questions about machine learning algorithms.

Python: tf-idf-cosine: to find document similarity

I was following a tutorial which was available at Part 1 & Part 2. Unfortunately the author didn't have the time for …

python machine-learning nltk information-retrieval tf-idf
How to get Tensorflow tensor dimensions (shape) as int values?

Suppose I have a Tensorflow tensor. How do I get the dimensions (shape) of the tensor as integer values? I …

python tensorflow machine-learning artificial-intelligence
Why do we have to normalize the input for an artificial neural network?

It is a principal question, regarding the theory of neural networks: Why do we have to normalize the input for …

machine-learning neural-network normalization
How can I run Tensorboard on a remote server?

I'm new to Tensorflow and would greatly benefit from some visualizations of what I'm doing. I understand that Tensorboard is …

tensorflow machine-learning data-visualization remote-access tensorboard
How to split data into 3 sets (train, validation and test)?

I have a pandas dataframe and I wish to divide it to 3 separate sets. I know that using train_test_…

pandas numpy dataframe machine-learning scikit-learn
Deep-Learning Nan loss reasons

Perhaps too general a question, but can anyone explain what would cause a Convolutional Neural Network to diverge? Specifics: I …

python tensorflow machine-learning keras theano
Calculate AUC in R?

Given a vector of scores and a vector of actual class labels, how do you calculate a single-number AUC metric …

r machine-learning data-mining auc
How to extract the decision rules from scikit-learn decision-tree?

Can I extract the underlying decision-rules (or 'decision paths') from a trained tree in a decision tree as a textual …

python machine-learning scikit-learn decision-tree random-forest
Is it possible to append Series to rows of DataFrame without making a list first?

I have some data I'm trying to organize into a DataFrame in Pandas. I was trying to make each row …

python pandas machine-learning dataframe series