Calculation of China's environmental efficiency and relevant hierarchical cluster analysis from the perspective of regional differences.
Malin SongYaqin SongHuayin YuZeya WangPublished in: Math. Comput. Model. (2013)
Keyphrases
- cluster analysis
- unsupervised learning
- categorical data
- clustering method
- clustering algorithm
- k means
- data clustering
- hierarchical latent class models
- data mining
- factor analysis
- cluster validity
- statistically significant
- fuzzy clustering
- data mining techniques
- clustering analysis
- economic development
- correlation analysis
- data analysis
- feature extraction
- real world
- hierarchical clustering
- machine learning
- multidimensional scaling
- association analysis
- neural gas
- object recognition