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INFOVIS
2003
IEEE
14 years 5 months ago
Mapping Nominal Values to Numbers for Effective Visualization
Data sets with a large number of nominal variables, some with high cardinality, are becoming increasingly common and need to be explored. Unfortunately, most existing visual explo...
Geraldine E. Rosario, Elke A. Rundensteiner, David...
GI
2004
Springer
14 years 6 months ago
Outlier Detection by Rareness Assumption
: A concept for identification of candidates for outliers is presented, with a focus on nominal variables. The database concerned is searched for rules that are almost universally...
Tomas Hrycej, Jochen Hipp