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PERFORMANCE OF THE EM ALGORITHM ON THE IDENTIFICATION OF A MIXTURE OF WATSON DISTRIBUTIONS DEFINED ON THE HYPERSPHERE
EM algorithm mixture principal components Watson distribution
2009/2/25
We consider a set of n individuals described by p standardised variables, and we sup-pose that the individuals are previously selected from a population and the variables are a sample of variables ass...
This paper compares efforts in minimal and core level cataloging with those in full-text markup, and describes a set of standards for identifying documents in on-line text corpora.
Consumer Profile Identification and Allocation
Kohonen Maps Profiles Logistic regression non-ordered Polychotomous Logit Model
2010/4/27
We propose an easy-to-use methodology to allocate one of
the groups which have been previously built from a complete learning
data base, to new individuals. The learning data base contains continuou...
Identification of the multiscale fractional Brownian motion with biomechanical applications
Biomechanics Detection of change Goodness-of-fit test Fractional Brownian motion Semi-parametric estimation Wavelet analysis
2010/4/26
In certain applications, for instance biomechanics, turbulence, finance, or Internet traffic, it seems suitable to model the data by a generalization of a fractional Brownian motion for which the Hurs...