Search Results - "Todorov, Valentin"

An Object-Oriented Framework for Robust Multivariate Analysis by Todorov, Valentin, Filzmoser, Peter

“…Taking advantage of the S4 class system of the programming environment R, which facilitates the creation and maintenance of reusable and modular components, an…”
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Robust Distribution-Based Winsorization in Composite Indicators Construction by Boudt, Kris, Todorov, Valentin, Wang, Wenjing

“…Composite indicators are widely used to determine the ranking of countries, organizations or individuals in terms of overall performance on multiple criteria…”
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Stroke and the immune system: A review of the new strategies by Todorov, Valentin, Dimitrova, Maria

“…The immunology of stroke can be approached in several ways. By viewing stroke from an immunological standpoint, we are trying to achieve new insights in its…”
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Assessment of Anxiety and Depressive Symptoms in the Early Post-stroke Period by Todorov, Valentin, Dimitrova, Maria, Todorova, Viktoria, Mihaylova, Eleonora

“…Introduction: There is some evidence suggesting an association between cerebrovascular diseases and the development of depression on the one hand, and between…”
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Monitoring Robust Estimates for Compositional Data by Todorov, Valentin

“…In a number of recent articles Riani, Cerioli, Atkinson and others advocate the technique of monitoring robust estimates computed over a range of key parameter…”
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The R Package Ecosystem for Robust Statistics by Todorov, Valentin

“…In the last few years, the number of R packages implementing different robust statistical methods have increased substantially. There are now numerous packages…”
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Comparative Performance of Several Robust Linear Discriminant Analysis Methods by Valentin Todorov, Ana M. Pires

“…The problem of the non-robustness of the classical estimates in the setting of the quadratic and linear discriminant analysis has been addressed by many…”
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Review of robust multivariate statistical methods in high dimension by Filzmoser, Peter, Todorov, Valentin

“…[Display omitted] ► We explain the main concepts of robust statistics. ► We focus on robust estimation in high dimension. ► Robust regression, robust PLS, and…”
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Robust tools for the imperfect world by Filzmoser, Peter, Todorov, Valentin

“…Data outliers or other data inhomogeneities lead to a violation of the assumptions of traditional statistical estimators and methods. Robust statistics offers…”
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Discussion of “The power of monitoring: how to make the most of a contaminated multivariate sample” by Andrea Cerioli, Marco Riani, Anthony C. Atkinson and Aldo Corbellini by Todorov, Valentin

“…The paper of Andrea Cerioli, Marco Riani, Anthony Atkinson and Aldo Corbellini is a fine review of the practical value of the forward search and the other…”
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Review of sparse methods in regression and classification with application to chemometrics by Filzmoser, Peter, Gschwandtner, Moritz, Todorov, Valentin

“…High‐dimensional data often contain many variables that are irrelevant for predicting a response or for an accurate group assignment. The inclusion of such…”
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Robust statistic for the one-way MANOVA by Todorov, Valentin, Filzmoser, Peter

“…The Wilks’ Lambda Statistic (likelihood ratio test, LRT) is a commonly used tool for inference about the mean vectors of several multivariate normal…”
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Economies’ inclusive and green industrial performance: An evidence based proposed index by Halkos, George, Moll de Alba, Jaime, Todorov, Valentin

“…This paper develops and introduces a new evidence-based tool to systematically measure and benchmark the industrial performance of economies with emphasis on…”
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Analyzing manufacturing sector and selected development challenges: A panel data analysis by Halkos, George, Moll de Alba, Jaime, Todorov, Valentin

“…The importance of manufacturing as a main determinant of economic growth has been explored extensively in the literature considering manufacturing as the…”
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Measuring green industrial performance: a regional outlook of Eastern Asia and Europe by Moll de Alba, Jaime, Todorov, Valentin

“…Is it possible to measure the green performance of the manufacturing sector? Which world regions are doing better in terms of green industrialization? This…”
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The Software Environment R for Official Statistics and Survey Methodology by Templ, Matthias, Todorov, Valentin

“…The open-source programming language and software environment R is currently one of the most widely used and popular software tools for statistics and data…”
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Switching it up: The effect of energy price reforms in Oman by Amann, Juergen, Cantore, Nicola, Calí, Massimiliano, Todorov, Valentin, Cheng, Charles Fang Chin

“…For the most part the public debate on fossil fuel energy subsidies has been governed by two arguments. From the position of the profit-maximizing firm, the…”
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General approach to coordinate representation of compositional tables by Fačevicová, Kamila, Hron, Karel, Todorov, Valentin, Templ, Matthias

“…Compositional tables can be considered a continuous counterpart to the well-known contingency tables. Their cells, which generally contain positive real…”
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A novel estimation procedure for robust CANDECOMP/PARAFAC model fitting by Todorov, Valentin, Simonacci, Violetta, Gallo, Michele, Trendafilov, Nikolay

“…The parameter estimation in CANDECOMP/PARAFAC (CP) is carried out by alternating least squares (ALS) that yields least-squares solutions and provides…”
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Software Tools for Robust Analysis of High-Dimensional Data by Todorov, Valentin, Filzmoser, Peter

“…The present work discusses robust multivariate methods specifically designed for highdimensions. Their implementation in R is presented and their application…”
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