Questions tagged [one-class-classification]
The one-class-classification tag has no usage guidance.
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One class classification using Exclusively Positive Examples
I have a dataset consisting only of the positive class, and I want to train a model to identify this data. Is it possible to use one-class classification models for this task? Additionally, how can I ...
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One class confusion matrix notation for model evaluation
A one class classification set-up for a set of rules acting as a model, where
each input is a whole dataset
model makes some decision within the dataset for each entry
output is decisions made for ...
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How to build a recommender system for recommending skewed positive class examples using e.g. one-class classification model or anomaly detection?
I want to build a recommendation system for accounts purchasing some items. The ratio of purchase events to view events is very low (less than 1% items that are viewed get bought). Right now I am ...
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Multiple One-Class SVMs for Multiclass Classification with an additional "Unknown" Class
I am in a sound event classification setting, using a traditional SVM model on acoustic indicators calculated from raw audio.
I have 3 classes I want to be able to identify, say A, B and C, but also a ...
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All Categorical data
I need some feedback on a problem I have been working on. I am working with a fairly balanced dataset with all categorical features, and a categorical outcome (classification problem). The data has no ...
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Fraud detection with machine learning with partialy labeled data
I am facing difficulties handling an issue with my dataset. The purpose of my analysis is to find an electricity thief given a dataset.
The first dataset: contains the list of all customers (unlabeled,...
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How can I use the K-fold cross validation for one-class classifier? [closed]
I train a one-class classifier by Class X. In the testing stage, I use Class X and Class Y for validation. I want to compute the F-score metric of Class Y. How can I use the K-fold cross-validation ...
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Deep Learning for One-Class Classification
I have Big Data that is textual in nature, and I have found some useful ressources for one-class classification using SVM and other models.
What I'm struggling to find is how to train a model using ...
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