Mixing numerical and categorical data in a Self-Organizing Map by means of frequency neurons.
Carmelo del CosoDiego FustesCarlos DafonteFrancisco Javier NóvoaJosé M. Rodríguez-PedreiraBernardino Arcay VarelaPublished in: Appl. Soft Comput. (2015)
Keyphrases
- categorical data
- self organizing maps
- numerical data
- neural network
- cluster analysis
- parameter free
- feature maps
- unsupervised learning
- som neural network
- numerical attributes
- input data
- learning vector quantization
- growing self organizing map
- attribute values
- distance based outlier detection
- multivariate data
- probabilistic neural network
- data sets
- hidden layer
- learning algorithm
- k means
- back propagation
- hierarchical latent class models