An efficient algorithm for joint feature screening in ultrahigh-dimensional Cox's model.
Xiaolin ChenCatherine Chunling LiuSheng XuPublished in: Comput. Stat. (2021)
Keyphrases
- mathematical model
- estimation algorithm
- cost function
- algorithm employs
- theoretical analysis
- similarity measure
- probabilistic model
- optimization model
- objective function
- recognition algorithm
- learning algorithm
- parameter estimation
- optimal solution
- final result
- worst case
- bayesian framework
- classification algorithm
- dynamic programming
- input data
- computational cost
- em algorithm
- kalman filter
- detection algorithm
- computational complexity
- convergence rate
- prior information
- closed form
- energy function
- optimization algorithm
- search space
- model selection
- computationally efficient
- feature space
- matching algorithm
- segmentation algorithm
- lower bound
- tree structure
- preprocessing
- expectation maximization
- particle swarm optimization
- selection algorithm
- linear programming
- face recognition
- feature vectors
- neural network