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266 results on '"González Rodríguez, Gil"'

1. On a Linear Regression Model for Star-Shaped Set-Valued Random Elements

Author

Graña-Colubi, José, González-Rodríguez, Gil, Belén Ramos-Guajardo, Ana, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Ansari, Jonathan, editor, Fuchs, Sebastian, editor, Trutschnig, Wolfgang, editor, Lubiano, María Asunción, editor, Gil, María Ángeles, editor, Grzegorzewski, Przemyslaw, editor, and Hryniewicz, Olgierd, editor

Published
2024
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3. On Clustering of Star-Shaped Sets with a Fuzzy Approach: An Application to the Clasts in the Cantabrian Coast

Author

Ferraro, Maria Brigida, Fernández Iglesias, Elena, Ramos-Guajardo, Ana Belén, González-Rodríguez, Gil, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, García-Escudero, Luis A., editor, Gordaliza, Alfonso, editor, Mayo, Agustín, editor, Lubiano Gomez, María Asunción, editor, Gil, Maria Angeles, editor, Grzegorzewski, Przemyslaw, editor, and Hryniewicz, Olgierd, editor

Published
2023
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6. A consistent test of equality of distributions for Hilbert-valued random elements

Author

Universidade de Santiago de Compostela. Departamento de Estatística, Análise Matemática e Optimización, González Rodríguez, Gil, Colubi Cervero, Ana, González-Manteiga, Wenceslao, Febrero Bande, Manuel, Universidade de Santiago de Compostela. Departamento de Estatística, Análise Matemática e Optimización, González Rodríguez, Gil, Colubi Cervero, Ana, González-Manteiga, Wenceslao, and Febrero Bande, Manuel

Abstract

Two independent random elements taking values in a separable Hilbert space are considered. The aim is to develop a test with bootstrap calibration to check whether they have the same distribution or not. A transformation of both random elements into a new separable Hilbert space is considered so that the equality of expectations of the transformed random elements is equivalent to the equality of distributions. Thus, a bootstrap test procedure to check the equality of means can be used in order to solve the original problem. It will be shown that both the asymptotic and bootstrap approaches proposed are asymptotically correct and consistent. The results can be applied, for example, in functional data analysis. In practice, the test can be solved with simple operations in the original space without applying the mentioned transformation, which is used only to guarantee the theoretical results. Empirical results and comparisons with related methods support and complement the theory.

Published
2024

9. On Some Concepts Related to Star-Shaped Sets

Author

Ramos-Guajardo, Ana Belén, González-Rodríguez, Gil, Colubi, Ana, Ferraro, Maria Brigida, Blanco-Fernández, Ángela, Kacprzyk, Janusz, Series Editor, Gil, Eduardo, editor, Gil, Eva, editor, Gil, Juan, editor, and Gil, María Ángeles, editor

Published
2018
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11. Bootstrap independence test for functional linear models

Author

González-Manteiga, Wenceslao, González-Rodríguez, Gil, Martínez-Calvo, Adela, and García-Portugués, Eduardo

Subjects
Statistics - Methodology, 62G10, 62J05, 62G09
Abstract

Functional data have been the subject of many research works over the last years. Functional regression is one of the most discussed issues. Specifically, significant advances have been made for functional linear regression models with scalar response. Let $(\mathcal{H},<\cdot,\cdot>)$ be a separable Hilbert space. We focus on the model $Y=<\Theta,X>+b+\varepsilon$, where $Y$ and $\varepsilon$ are real random variables, $X$ is an $\mathcal{H}$-valued random element, and the model parameters $b$ and $\Theta$ are in $\mathbb{R}$ and $\mathcal{H}$, respectively. Furthermore, the error satisfies that $E(\varepsilon|X)=0$ and $E(\varepsilon^2|X)=\sigma^2<\infty$. A consistent bootstrap method to calibrate the distribution of statistics for testing $H_0: \Theta=0$ versus $H_1: \Theta\neq 0$ is developed. The asymptotic theory, as well as a simulation study and a real data application illustrating the usefulness of our proposed bootstrap in practice, is presented., Comment: 17 pages, 5 tables

Published
2012

17. Chemical Characteristics of Wildfire Ash Across the Globe and Their Environmental and Socio-Economic Implications

Author

Sanchez-Garcia, Carmen, primary, Santín, Cristina, additional, Neris, Jonay, additional, Sigmund, Gabriel, additional, Otero, Xosé Luís, additional, Manley, Joella, additional, González-Rodríguez, Gil, additional, Belcher, Claire, additional, Cerdá, Artemi, additional, Marcotte, Abbey, additional, Murphy, Sheila, additional, Rhoades, Charles, additional, Sheridan, Gary, additional, Strydom, Tercia, additional, Robichaud, Peter, additional, and Doerr, Stefan H., additional

Published
2023
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18. Power Analysis of the Homoscedasticity Test for Random Fuzzy Sets

Author

Ramos-Guajardo, Ana Belén, González-Rodríguez, Gil, Montenegro, Manuel, López, María Teresa, Kacprzyk, Janusz, editor, Borgelt, Christian, editor, González-Rodríguez, Gil, editor, Trutschnig, Wolfgang, editor, Lubiano, María Asunción, editor, Gil, María Ángeles, editor, Grzegorzewski, Przemysław, editor, and Hryniewicz, Olgierd, editor

Published
2010
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20. Flood Analysis: On the Automation of the Geomorphological-Historical Method

Author

Fernández, Elena, Fernández, Miguel, Anadón, Soledad, González-Rodríguez, Gil, Colubi, Ana, Kacprzyk, Janusz, editor, Borgelt, Christian, editor, González-Rodríguez, Gil, editor, Trutschnig, Wolfgang, editor, Lubiano, María Asunción, editor, Gil, María Ángeles, editor, Grzegorzewski, Przemysław, editor, and Hryniewicz, Olgierd, editor

Published
2010
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25. Arithmetic and Distance-Based Approach to the Statistical Analysis of Imprecisely Valued Data

Author

Blanco-Fernández, Angela, Casals, María Rosa, Colubi, Ana, Coppi, Renato, Corral, Norberto, de la Rosa de Sáa, Sara, D’Urso, Pierpaolo, Ferraro, Maria Brigida, García-Bárzana, Marta, Gil, María Ángeles, Giordani, Paolo, González-Rodríguez, Gil, López, María Teresa, Lubiano, María Asunción, Montenegro, Manuel, Nakama, Takehiko, Ramos-Guajardo, Ana Belén, Sinova, Beatriz, Trutschnig, Wolfgang, Borgelt, Christian, editor, Gil, María Ángeles, editor, Sousa, João M.C., editor, and Verleysen, Michel, editor

Published
2013
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37. Introduction to ANOVA with Fuzzy Random Variables

Author

Montenegro, Manuel, González-Rodríguez, Gil, Gil, María Angeles, Colubi, Ana, Casals, María Rosa, Kacprzyk, Janusz, editor, López-Díaz, Miguel, Gil, María Á., Grzegorzewski, Przemysław, Hryniewicz, Olgierd, and Lawry, Jonathan

Published
2004
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