Supervised Nonnegative Matrix Factorization to Predict ICU Mortality Risk.
Guoqing ChaoChengsheng MaoFei WangYuan ZhaoYuan LuoPublished in: CoRR (2018)
Keyphrases
- nonnegative matrix factorization
- intensive care unit
- probabilistic latent semantic indexing
- risk factors
- matrix factorization
- high risk
- negative matrix factorization
- data representation
- least squares
- intensive care
- nonnegative matrix
- semi supervised
- original data
- principal component analysis
- risk management
- supervised learning
- spectral clustering
- document clustering
- risk assessment
- learning algorithm
- machine learning
- unsupervised learning
- sparsity constraints
- objective function
- information retrieval