منابع مشابه
Bayesian inferences on umbrella orderings.
In regression applications with categorical predictors, interest often focuses on comparing the null hypothesis of homogeneity to an ordered alternative. This article proposes a Bayesian approach for addressing this problem in the setting of normal linear and probit regression models. The regression coefficients are assigned a conditionally conjugate prior density consisting of mixtures of poin...
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Binary outcomes that depend on an ordinal predictor in a nonmonotonic way are common in medical data analysis. Such patterns can be addressed in terms of cutpoints: for example, one looks for two cutpoints that define an interval in the range of the ordinal predictor for which the probability of a positive outcome is particularly high (or low). A chi-square test may then be performed to compare...
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In this paper it is proved that the pure braided Thompson’s group BF admits a bi-order, analog to the bi-order of the pure braid groups.
متن کاملPalindromes and Orderings in Artin Groups
The braid group Bn, endowed with Artin’s presentation, admits two distinguished involutions. One is the anti-automorphism rev : Bn → Bn, v 7→ v̄, defined by reading braids in the reverse order (from right to left instead of left to right). Another one is the conjugation τ : x 7→ ∆x∆ by the generalized half-twist (Garside element). More generally, the involution rev is defined for all Artin group...
متن کاملComparing Nested Dissection Orderings for Parallel Sparse Matrix Factorization
In this paper we compare nested dissection orderings obtained by diierent graph bisection heuristics. In the context of parallel sparse matrix factorization the quality of an ordering is not only determined by its ll reducing capability, but also depends on the dif-culty with which a balanced mapping of the load onto the processors of the parallel computer can be found. Our analysis shows that ...
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ژورنال
عنوان ژورنال: Journal of the American Statistical Association
سال: 1996
ISSN: 0162-1459
DOI: 10.2307/2291409