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CLASSIFICATION
2006
103views more  CLASSIFICATION 2006»
13 years 4 months ago
On the Complexity of Ordinal Clustering
Abstract. Given a set of pairwise distances on a set of n points, constructing an edge-weighted tree whose leaves are these n points such that the tree distances would mimic the or...
Rahul Shah, Martin Farach-Colton
CLASSIFICATION
2006
78views more  CLASSIFICATION 2006»
13 years 4 months ago
Astrocladistics: A Phylogenetic Analysis of Galaxy Evolution II. Formation and Diversification of Galaxies
:This series of papers is intended to evaluate astrocladistics in reconstructing phylogenies of galaxies. The objective of this second paper is to formalize the concept of galaxy f...
Didier Fraix-Burnet, Philippe Choler, Emmanuel J. ...
CLASSIFICATION
2006
58views more  CLASSIFICATION 2006»
13 years 4 months ago
On a Transvariation Based Measure of Group Separability
: In this paper, the potentialities of transvariation (Gini, 1959) in measuring the separation between two groups of multivariate observations are explored. With this aim, a modifi...
Daniela G. Calò
CLASSIFICATION
2006
108views more  CLASSIFICATION 2006»
13 years 4 months ago
The Practice of Cluster Analysis
Abstracts "Mixtures at the Interface" David Scott, Rice University Mixture modeling provides an effective framework for complex, high-dimensional data. The potential of m...
Jon R. Kettenring
CLASSIFICATION
2006
73views more  CLASSIFICATION 2006»
13 years 4 months ago
PARAMAP vs. Isomap: A Comparison of Two Nonlinear Mapping Algorithms
Ulas Akkucuk, J. Douglas Carroll