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Probabilistic self-organizing maps for qualitative data - ScienceDirect
We present a self-organizing map model to study qualitative data (also called categorical data). It is based on a probabilistic framework which does not assume .
[ 1-s2.0-S0893608010001243-main.pdf?_tid=a2ebc734-3b90-11e4-ae39-00000aacb360&acdnat=1410645492_bef961744ef983f851105ea64d88f655 - Read/Download File

The Self-Organizing Maps: Background, Theories, Extensions and
Kohonen's self-organizing map (SOM) is an abstract mathematical model of topographic ..... wk is responsible, and p(x) is the probability density function of the data. In ..... The SOM is shown to be a qualitative scaling, while the ViSOM is a met-.
[ SOMs-BackgroundTheoriesExtensionsApplications.pdf - Read/Download File

Generative Probability Density Model in the Self-Organizing - LCE
The self-organizing map, SOM, is a widely used tool in data mining, visual ... The density model facilitates quantitative analysis of the model, for ex ample, by ...
[ LampinenKostiainen_sompdf.pdf - Read/Download File

Dynamic Self-Organising Map - Hal
Jun 29, 2010 ... We present in this paper a variation of the self-organising map algorithm ... Vector quantisation (VQ) refers to the modelling of a probability ... of the space occupied by the data (regardless of their density) is necessary. ..... anything and are introduced mainly to illustrate qualitative behaviour of the algorithm.
[ draft-revised.pdf - Read/Download File

Generative Probability Density Model in the Self - CiteSeerX
The self-organizing map, SOM, is a widely used tool in data mining, visual ... The density model facilitates quantitative analysis of the model, for ex ample, by ...
[ download?doi=10.1.1.82.510&rep=rep1&type=pdf - Read/Download File

S-Map: A Network with a Simple Self - NIPS Proceedings
... Self-Organizing Map. (SOM) and the probabilistic interpretability of the Generative To- ... out changing the qualitative behaviour of the network. ... The self-organizing map associates each data vector et with that map unit that has its weight ...
[ 1417-s-map-a-network-with-a-simple-self-organization-algorithm-for-generative-topographic-mappings.pdf - Read/Download File

Self-organizing mixture networks for probability density estimation
self-organizing maps, unsupervised learning. .... bution. The joint probability density of data sample is given by. (1) where .... Detailed quantitative analysis has.
[ a5.pdf - Read/Download File

Clustering of the Self-Organizing Map
Abstract—The self-organizing map (SOM) is an excellent tool in exploratory phase ... computation time. Index Terms—Clustering, data mining, exploratory data anal- ... qualitative information. To produce ..... is the probability den- sity function ...
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Bankruptcy analysis with self-organizing maps in learning metrics
based on the Fisher information matrix, into the data space. A self-organizing map (SOM) is computed in the new metric to explore financial statements of ...
[ 20059122314117.pdf - Read/Download File

Clustering of the self-organizing map - Neural Networks, IEEE
Abstract—The self-organizing map (SOM) is an excellent tool in exploratory phase ... computation time. Index Terms—Clustering, data mining, exploratory data anal- ... qualitative information. To produce ..... is the probability den- sity function ...
[ neural2.pdf - Read/Download File

Self-Organizing Maps and Entropy Applied to Data Analysis of - Hikari
Kohonen self-organizing maps (SOM) and Shannon entropy were applied .... In a SOM, each neuron in a grid is represented by a probability distribution ... since the interest here is in qualitative data analysis to detect activation and not in the.
[ fariasAMS97-100-2014.pdf - Read/Download File

Coupling selforganizing maps with a Naпve Bayesian classifier
Dec 17, 2012 ... network clustering algorithm (i.e., Kohonen Self-Organizing Map (SOM)). ... posterior probability values, and visualize both the input data and resulting ..... based qualitative real-time polymerase chain reaction assay.
[ Fytilis_2013_Water_Resources_Research.pdf - Read/Download File

pdf - arXiv.org
case of individuals described by categorical (qualitative) variables having a ... factorial data analysis, neural networks, Kohonen maps, prediction models, and so on). Recently a ... rely on probabilistic hypotheses, where the data are viewed as a mixture of ...... [11] S. Kaski, Data Exploration Using Self-Organizing Maps, Acta.
[ 0610585.pdf - Read/Download File

MULTIDIMENSIONAL SCALING AND KOHONEN'S SELF
Two methods providing representation of high-dimensional (input) data in a lower- ... Kohonen's self-organizing maps (SOM) are dedicated to very different ... of the array of neurons in the output layer tend to approximate the probability .... Looking for quantitative measures of the preservation of topography between the.
[ 96-sommds.pdf - Read/Download File

Data Analysis using Self-Organizing Maps
Representation and visualization of multidimensional data. Forecasting vectors or .... Self-Organizing Map (SOM) ...... It is also possible to use a probabilistic classification rule, by .... Can be adapted to qualitative variables, by using Multiple.
[ pdf_Porvoo_Kohonen_Data_Analysis_V3-2.pdf - Read/Download File

stochastic on-line algorithm versus batch algorithm - samos-matisse
Since about twenty years, the Self-Organizing Maps (SOM) of Teuvo Kohonen .... where stands for the probability distribution of the data set and where the ..... Analysing and Representing Multidimensional Quantitative and Qualitative. Data, in ...
[ samos142.pdf - Read/Download File

Self-Organizing Maps of Words for Natural Language Processing
Keywords: self-organizing map, neural networks, semantics, natural language ... processing applications is restricted by quantitative ... SOM both projects a data set into a more illustrative form on a ..... approximation of a probabilistic model for.
[ soms_of_words.pdf - Read/Download File

Dissertation Advanced data exploration methods based on Self
Self-Organizing Maps (SOMs) sind ein wichtiges Data Mining Verfahren um. Informationen ... The first of the proposed methods is based on putting the data set a SOM has been trained ..... probability theory are used. Matrices are ..... An important field of data analysis is visualization, as quantitative data may be effectively ...
[ Poe08PhDThesis.pdf - Read/Download File

Nonlinear dimensionality reduction and data visualization: A review
The SOM is shown to produce a quantized, qualitative scaling and while the ViSOM a quantitative or metric scaling and ... Analysis of Gene Expression Data Using Self-organizing Maps. ..... A Unified Model for Probabilistic Principal Surfaces.
[ t24308k522r1g55p.pdf - Read/Download File

Self-Organizing Map and social networks: Unfolding - arXiv.org
Keywords: component; social networks, self organizing map, myspace ... Therefore, our contribution to this complex data analysis is performed by the ..... by a common artist, then the probability that A and B ... nouns: quantitative variales.
[ 1301.6574 - Read/Download File

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