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  • The paper searches for those properties of RadViz visualization method [4] mapping data from n dimensional space into a plane which are important for identification of clusters in the original multidimensional data. There are identified two observations (see the Sections 3 and 6) which help to specify clear conditions under which %22real%22 clusters appear even in the RadViz image. The key idea is illustrated using 2 characteristic examples of datasets pointing to a certain drawback of the original RadVizmapping. The identified problem can be resolved using 2 minor modifications of the RadViz algorithm which are suggested in the last section of this contribution. Finally we suggest an algorithm for search of attributes relevant for clustering the studied data.
  • The paper searches for those properties of RadViz visualization method [4] mapping data from n dimensional space into a plane which are important for identification of clusters in the original multidimensional data. There are identified two observations (see the Sections 3 and 6) which help to specify clear conditions under which %22real%22 clusters appear even in the RadViz image. The key idea is illustrated using 2 characteristic examples of datasets pointing to a certain drawback of the original RadVizmapping. The identified problem can be resolved using 2 minor modifications of the RadViz algorithm which are suggested in the last section of this contribution. Finally we suggest an algorithm for search of attributes relevant for clustering the studied data. (en)
  • Vizualizační metoda RadViz mapuje data z n-dimenzionálního prostoru do roviny. Dvě velmi jednoduché modifikace algoritmu RadVizu umožňují, že je možné využít tuto vizualizační metodu i pro identifikaci shluků v původních datech. Základní myšlenka metody je ilustrována na dvou příkladech, které jsou zobrazeny jak v klasickém 3D grafu tak pomocí metody RadViz. (cs)
Title
  • RadViz and Data Understanding
  • RadViz a porozumění datům (cs)
  • RadViz and Data Understanding (en)
skos:prefLabel
  • RadViz and Data Understanding
  • RadViz a porozumění datům (cs)
  • RadViz and Data Understanding (en)
skos:notation
  • RIV/68407700:21230/07:03120760!RIV08-AV0-21230___
http://linked.open.../vavai/riv/strany
  • 43;50
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1ET101210513)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 446345
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/07:03120760
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Clustering; Data Mining; Data Understanding; RadViz; Visualization (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [4118F681DD60]
http://linked.open...i/riv/nazevZdroje
  • WSEAS Transactions on Computers
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 6
http://linked.open...iv/tvurceVysledku
  • Štěpánková, Olga
  • Nováková, Lenka
issn
  • 1109-2750
number of pages
http://localhost/t...ganizacniJednotka
  • 21230
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