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CLASSIFICATION
2006
103views more  CLASSIFICATION 2006»
13 years 11 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 11 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 11 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 11 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 11 months ago
PARAMAP vs. Isomap: A Comparison of Two Nonlinear Mapping Algorithms
Ulas Akkucuk, J. Douglas Carroll