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15.348  Articles
1 of 1.536 pages  |  10  records  |  more records»
A method for determining of some elements of the direction cosine matrix is proposed. A matrix form of solution of the aircraft attitude estimation problem based on using the least squares criterion is also presented. A problem of the sensitivity of attit... see more

Objective: To estimate the serum levels of matrix metalloproteinases in oral squamous cell carcinoma patients and in healthy subjects.Methods: In this observational study, biopsy diagnosed oral squamous cell carcinoma patients (n= 38) were recruited from ... see more

This paper develops two new models and evaluates the impact of using different weight matrices on parameter estimates and inference in three distinct spatial specifications for discrete response. These specifications rely on a conventional, sparse, invers... see more

The key of the planning of public transport systems is the accurate prediction of the traffic load which requires a well-functioning assignment method and reliable passenger data (i.e. time-dependent OD matrix). The paper two years ago at TRA2014 was star... see more

Decision makers need appropriate information systems to carry out spatial analyses related to transportation. Hence, Geographical Information Systems (GIS) are one of the effective tools used for realizing spatial analyses. Therefore, GIS were also used i... see more

Autoregressive moving average (ARMA) modeling has been used in many fields. This paper presents an approach to time series analysis of a general ARMA model parameters estimation. The proposedtechnique is based on the singular value decomposition (SVD) of ... see more

Different clinical courses of multiple sclerosis, heterogeneity of its clinical implications, different effect of immunomodulatory therapy for the same clinical forms implies various pathogenetic mechanisms of central nervous system damage at this disease... see more

In this paper, we introduce the new biased estimator to deal with the problem of multicollinearity. This estimator is considered a modification of Two-Parameter Ridge-Liu estimator based on ridge estimation. Furthermore, the superiority of the new estimat... see more

The article researches methods of imitational modeling of matrixes containing primary grading obtained in educational testing by the means of statistical programming language R. Unique algorithms and functions were developed to allow generating of matrix ... see more

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