منابع مشابه
Maximum Margin Interval Trees
Learning a regression function using censored or interval-valued output data is an important problem in fields such as genomics and medicine. The goal is to learn a real-valued prediction function, and the training output labels indicate an interval of possible values. Whereas most existing algorithms for this task are linear models, in this paper we investigate learning nonlinear tree models. ...
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Because these fields are closely related, and since this relation is not yet a common knowledge, I would like it to be known to the interval community. Yes, terms that we use are different, and mathematical methods are different, but these different methods are used to solve the same application problems. In solving these problems, interval and maximum entropy methods not only do not compete, t...
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A generalized decision logic in interval-set-valued information tables is introduced, which is an extension of decision logic studied by Pawlak. Each object in an interval-set-valued information table takes an interval set of values. Consequently, two types of satisfiabilities of a formula are introduced. Truth values of formulas are defined to be interval-valued, instead of single-valued. A se...
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An interval-valued distribution is a fmite sequence of intervals ([Pl1 ,Pu1 ], ... ,[Pln,Pun]) n n such that O$Plj$Put�l, E Puj�l, and E Plj$1. Interval distributions generalize realj=l j=l valued probability distributions and arise naturally in many situations. They may represent collections of confidence intervals derived from frequency data, imprecisely stated subjective probabilities, known...
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We develop a generalized method of moments (GMM) estimator for the distribution of a variable where summary statistics are available only for intervals of the random variable. Without individual data, one cannot calculate the weighting matrix for the GMM estimator. Instead, we propose a simulated weighting matrix based on a first-step consistent estimate. When the functional form of the underly...
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ژورنال
عنوان ژورنال: Mathematics of Computation
سال: 1950
ISSN: 0025-5718
DOI: 10.1090/s0025-5718-1950-0040059-3