A Hybrid Validity Index to Determine K Parameter Value of k-Means Algorithm for Time Series Clustering.
Fatma Ozge OzkokMete CelikPublished in: Int. J. Inf. Technol. Decis. Mak. (2021)
Keyphrases
- k means
- optimization algorithm
- expectation maximization
- learning algorithm
- optimal solution
- dynamic programming
- objective function
- np hard
- fuzzy clustering
- data clustering
- cluster analysis
- detection algorithm
- particle swarm optimization
- worst case
- computational cost
- search space
- computational complexity
- clustering algorithm
- decision making
- artificial intelligence
- preprocessing
- probabilistic model
- knowledge discovery
- pattern recognition
- similarity measure
- segmentation algorithm
- matching algorithm
- genetic algorithm
- hierarchical clustering
- convergence rate
- machine learning