Top "Classification" questions

In machine learning and statistics, classification is the problem of identifying which of a set of categories a new observation belongs to, on the basis of a training set of data containing observations whose category membership (label) is known.

Keras: binary_crossentropy & categorical_crossentropy confusion

After using TensorFlow for quite a while I have read some Keras tutorials and implemented some examples. I have found …

python tensorflow keras classification cross-entropy
Monitor training/validation process in Caffe

I'm training Caffe Reference Model for classifying images. My work requires me to monitor the training process by drawing graph …

c++ classification deep-learning caffe conv-neural-network
Getting the accuracy for multi-label prediction in scikit-learn

In a multilabel classification setting, sklearn.metrics.accuracy_score only computes the subset accuracy (3): i.e. the set of labels …

python scikit-learn classification
How to perform logistic regression using vowpal wabbit on very imbalanced dataset

I am trying to use vowpal wabbit for logistic regression. I am not sure if this is the right syntax …

classification logistic-regression vowpalwabbit
change deployed artifact name based on profile

I have in a web application's pom file, a build profile, which does some necessary things (in my code) for …

maven profile nexus classification maven-deploy-plugin
Looking for open source naive Bayesian Classifier in C# for a Twitter sentiment analysis project

I've found a similar project here: Sentiment analysis for Twitter in Python . However, I'm working on C# and need to …

c# twitter bayesian classification
Least squares linear classifier in matlab

I'm struggling to understand how to implement a least square linear classifier for my data in matlab. My data has …

matlab machine-learning classification least-squares
How to train large Dataset for classification

I have a training dataset of 1600000 tweets. How can I train this type of huge data. I have tried something …

python classification nltk svm naivebayes
Why does binary accuracy give high accuracy while categorical accuracy give low accuracy, in a multi-class classification problem?

I'm working on a multiclass classification problem using Keras and I'm using binary accuracy and categorical accuracy as metrics. When …

machine-learning tensorflow keras classification multiclass-classification
Scikit learn - fit_transform on the test set

I am struggling to use Random Forest in Python with Scikit learn. My problem is that I use it for …

machine-learning classification scikit-learn random-forest text-classification