"Finding clusters by visualization method RadViz"@en . "Vizualiza\u010Dn\u00ED metoda RadViz mapuje data z n dimenzion\u00E1ln\u00EDho prostoru o roviny. Dv\u011B velmi jednoduch\u00E9 modifikace algoritmu RadVizu umo\u017E\u0148uj\u00ED, \u017Ee je mo\u017En\u00E9 vyu\u017E\u00EDt tuto vizualizaen\u00ED metodu i pro identifikaci shluk\u016F v p\u016Fvodn\u00EDch datech. Z\u00E1kladn\u00ED my\u0161lenka metody je ilustrov\u00E1na na dvou p\u0159\u00EDkladech, kter\u00E9 jsou zobrazeny jak v klasick\u00E9m 3D grafu tak pomoc\u00ED metody RadViz."@cs . "2007-02-21+01:00"^^ . "85;97" . "\u0160t\u011Bp\u00E1nkov\u00E1, Olga" . . "Znalosti 2007 Sborn\u00EDk p\u0159\u00EDsp\u011Bvk\u016F 6. ro\u010Dn\u00EDku konference" . "Hled\u00E1n\u00ED shluk\u016F vizualiza\u010Dn\u00ED metodou RadViz"@cs . "RIV/68407700:21230/07:03129081!RIV08-AV0-21230___" . "Hled\u00E1n\u00ED shluk\u016F vizualiza\u010Dn\u00ED metodou RadViz"@cs . "424354" . "Hled\u00E1n\u00ED shluk\u016F vizualiza\u010Dn\u00ED metodou RadViz" . "21230" . "Hled\u00E1n\u00ED shluk\u016F vizualiza\u010Dn\u00ED metodou RadViz" . . . "RadViz; clustering; data understanding; visualization data"@en . . . "RIV/68407700:21230/07:03129081" . . . . . "Vizualiza\u010Dn\u00ED metoda RadViz mapuje data z n dimenzion\u00E1ln\u00EDho prostoru o roviny. Dv\u011B velmi jednoduch\u00E9 modifikace algoritmu RadVizu umo\u017E\u0148uj\u00ED, \u017Ee je mo\u017En\u00E9 vyu\u017E\u00EDt tuto vizualizaen\u00ED metodu i pro identifikaci shluk\u016F v p\u016Fvodn\u00EDch datech. Z\u00E1kladn\u00ED my\u0161lenka metody je ilustrov\u00E1na na dvou p\u0159\u00EDkladech, kter\u00E9 jsou zobrazeny jak v klasick\u00E9m 3D grafu tak pomoc\u00ED metody RadViz." . "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 . . "Vysok\u00E1 \u0161kola b\u00E1\u0148sk\u00E1 - Technick\u00E1 univerzita Ostrava" . "2"^^ . "Nov\u00E1kov\u00E1, Lenka" . "2"^^ . . "978-80-248-1279-3" . . . "P(1ET101210513)" . "[97B9B576386B]" . . "Finding clusters by visualization method RadViz"@en . . . . "Ostrava" . "13"^^ . . "Ostrava" .