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8. Power logit regression for modeling bounded data

Author

Queiroz, Francisco Felipe and Ferrari, Silvia Lopes Paula

Subjects
Statistics - Methodology
Abstract

The main purpose of this paper is to introduce a new class of regression models for bounded continuous data, commonly encountered in applied research. The models, named the power logit regression models, assume that the response variable follows a distribution in a wide, flexible class of distributions with three parameters, namely the median, a dispersion parameter and a skewness parameter. The paper offers a comprehensive set of tools for likelihood inference and diagnostic analysis, and introduces the new R package PLreg. Applications with real and simulated data show the merits of the proposed models, the statistical tools, and the computational package.

Published
2022

17. Survival Analysis of Organizational Network – An Exploratory Study

Author

Lopes, Paula, Campos, Pedro, Meira-Machado, Luís, Soutinho, Gustavo, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Gervasi, Osvaldo, editor, Murgante, Beniamino, editor, Rocha, Ana Maria A. C., editor, Garau, Chiara, editor, Scorza, Francesco, editor, Karaca, Yeliz, editor, and Torre, Carmelo M., editor

Published
2023
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20. Survival Analysis of Organizational Networks -- An Exploratory Study

Author

Lopes, Paula, Campos, Pedro, and Meira-Machado, Luis

Subjects
Statistics - Applications, 62N02
Abstract

Organizations interact with the environment and with other organizations, and these interactions constitute an important way of learning and evolution. To overcome the problems that they face during their existence, organizations must certainly adopt survival strategies, both individually and in group. The aim of this study is to evaluate the effect of a set of prognostic factors (organizational, size, collaborate strategies, etc.) in the survival of organizational networks. Statistical methods for time to event data were used to analyze the data. We have used the Kaplan-Meier product-limit method to compute and plot estimates of survival, while hypothesis tests were used to compare survival times across several groups. Regression models were used to study the effect of continuous predictors as well as to test multiple predictors at once. Since violations of the proportional hazards were found for several predictors, accelerated failure time models were used to study the effect of explanatory variables on network survival., Comment: 13 pages, 5 figures, 7 tables

Published
2020

21. Conclusion

Author

Freire, Maria Raquel, Lopes, Paula Duarte, Nascimento, Daniela, Simão, Licínia, Freire, Maria Raquel, editor, Lopes, Paula Duarte, editor, Nascimento, Daniela, editor, and Simão, Licínia, editor

Published
2022
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23. Brazilian Society of Otology task force – Vestibular Schwannoma ‒ evaluation and treatment

Author

Silva, Vagner Antonio Rodrigues, Lavinsky, Joel, Pauna, Henrique Furlan, Vianna, Melissa Ferreira, Santos, Vanessa Mazanek, Ikino, Cláudio Márcio Yudi, Sampaio, André Luiz Lopes, Tardim Lopes, Paula, Lamounier, Pauliana, Maranhão, André Souza de Albuquerque, Soares, Vitor Yamashiro Rocha, Polanski, José Fernando, Denaro, Mariana Moreira de Castro, Chone, Carlos Takahiro, Bento, Ricardo Ferreira, and Castilho, Arthur Menino

Published
2023
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28. High resolution melting analysis of microsatellite markers applied to grapevine varietal fingerprinting throughout the wine production chain

Author

Fundação para a Ciência e a Tecnologia (Portugal), European Commission, Barrias, Sara [0000-0003-2536-2107], Ibáñez Marcos, Javier [0000-0002-6286-5638], Martins-Lopes, Paula [0000-0001-8229-0117], Barrias, Sara, Ibáñez Marcos, Javier, Martins-Lopes, Paula, Fundação para a Ciência e a Tecnologia (Portugal), European Commission, Barrias, Sara [0000-0003-2536-2107], Ibáñez Marcos, Javier [0000-0002-6286-5638], Martins-Lopes, Paula [0000-0001-8229-0117], Barrias, Sara, Ibáñez Marcos, Javier, and Martins-Lopes, Paula

Abstract

The accurate varietal identification is an essential requirement for every process involved in the exploitation of grapevine resources and derived products. The advancements achieved during the last years allowed the simultaneous analysis of multiple molecular markers capable of identifying grapevine varieties. Despite the establishment of a recommended set of nine microsatellite (SSR) markers for this purpose, their effective application with DNA extracted from must and wine samples remains a challenging task. This work aimed to develop High Resolution Melting (HRM) assays based on SSR markers applicable for grapevine varietal identification using leaf, must and wine samples. The grapevine varieties used were Cabernet Sauvignon, Touriga Franca, Touriga Nacional and Rufete. A total of 12 SSR markers were used to screen the varieties: nine markers recommended by the OIV (VVMD5, VVMD7, VVMD25, VVMD27, VVMD28, VVMD32, VVS2, VrZAG62 and VrZAG79) and three markers selected based on their repeat motif and length (VvIv35, VChr5c and VChr9a). The results from multiplex PCR amplification of DNA from wine samples revealed that these three markers performed better than the nine established SSR markers. HRM assays were developed targeting markers VvIv35, VChr5c and VChr9a, successfully discriminating the varietal composition in must DNA samples. Promising results were obtained using wine DNA, where assay HRM-VChr9a proved to have the highest discriminant power. The HRM-SSR assays need to be applied in a larger number of varieties, to explore its suitability for grapevine fingerprinting applications throughout the wine chain. Overall, the proposed small SSR makers can be more suitable for wine DNA analysis. The HRM-SSR approach presented here provides fast results, allowing the complete discrimination of varietal composition in must DNA. It also shows to be a promising tool to discriminate the varieties using wine DNA, a task usually hampered by the inherent complexity of wine s

Published
2024

29. Human Right to Water and Water Rights

Author

Lopes, Paula Duarte, Ofori, Alesia Dedaa, Section editor, Leal Filho, Walter, Series Editor, Azul, Anabela Marisa, editor, Brandli, Luciana, editor, Lange Salvia, Amanda, editor, and Wall, Tony, editor

Published
2022
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34. Water Footprint and Virtual Water

Author

Schnepper, Roxane, Lopes, Paula Duarte, Fatta – Kassinos, Despo, Section editor, Leal Filho, Walter, Series Editor, Azul, Anabela Marisa, editor, Brandli, Luciana, editor, Lange Salvia, Amanda, editor, and Wall, Tony, editor

Published
2022
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36. Water Conflicts: An Obstacle to SDG6

Author

Sosa-Rodriguez, Fabiola S., Violeta Yoalli, Alvarado Arriaga, Lopes, Paula, Section editor, Leal Filho, Walter, Series Editor, Azul, Anabela Marisa, editor, Brandli, Luciana, editor, Lange Salvia, Amanda, editor, and Wall, Tony, editor

Published
2022
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38. Water and Gender Issues

Author

Houart, Carlota, Lopes, Paula, Section editor, Leal Filho, Walter, Series Editor, Azul, Anabela Marisa, editor, Brandli, Luciana, editor, Lange Salvia, Amanda, editor, and Wall, Tony, editor

Published
2022
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40. Legal Approaches to the Achievement of SDG 6

Author

Phillips, Freedom-Kai, Harrington, Alexandra, Lopes, Paula, Section editor, Ofori, Alesia Dedaa, Section editor, Filho, Walter Leal, Section editor, Leal Filho, Walter, Series Editor, Azul, Anabela Marisa, editor, Brandli, Luciana, editor, Lange Salvia, Amanda, editor, and Wall, Tony, editor

Published
2022
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44. Situational factors shape moral judgements in the trolley dilemma in Eastern, Southern and Western countries in a culturally diverse sample

Author

Bago, Bence, Kovacs, Marton, Protzko, John, Nagy, Tamas, Kekecs, Zoltan, Palfi, Bence, Adamkovic, Matus, Adamus, Sylwia, Albalooshi, Sumaya, Albayrak-Aydemir, Nihan, Alfian, Ilham N., Alper, Sinan, Alvarez-Solas, Sara, Alves, Sara G., Amaya, Santiago, Andresen, Pia K., Anjum, Gulnaz, Ansari, Daniel, Arriaga, Patrícia, Aruta, John Jamir Benzon R., Arvanitis, Alexios, Babincak, Peter, Barzykowski, Krystian, Bashour, Bana, Baskin, Ernest, Batalha, Luisa, Batres, Carlota, Bavolar, Jozef, Bayrak, Fatih, Becker, Benjamin, Becker, Maja, Belaus, Anabel, Białek, Michał, Bilancini, Ennio, Boller, Daniel, Boncinelli, Leonardo, Boudesseul, Jordane, Brown, Benjamin T., Buchanan, Erin M., Butt, Muhammad M., Calvillo, Dustin P., Carnes, Nate C., Celniker, Jared B., Chartier, Christopher R., Chopik, William J., Chotikavan, Poom, Chuan-Peng, Hu, Clancy, Rockwell F., Çoker, Ogeday, Correia, Rita C., Adoric, Vera Cubela, Cubillas, Carmelo P., Czoschke, Stefan, Daryani, Yalda, de Grefte, Job A. M., de Vries, Wieteke C., Burak, Elif G. Demirag, Dias, Carina, Dixson, Barnaby J. W., Du, Xinkai, Dumančić, Francesca, Dumbravă, Andrei, Dutra, Natalia B., Enachescu, Janina, Esteban-Serna, Celia, Eudave, Luis, Evans, Thomas R., Feldman, Gilad, Felisberti, Fatima M., Fiedler, Susann, Findor, Andrej, Fleischmann, Alexandra, Foroni, Francesco, Francová, Radka, Frank, Darius-Aurel, Fu, Cynthia H. Y., Gao, Shan, Ghasemi, Omid, Ghazi-Noori, Ali-Reza, Ghossainy, Maliki E., Giammusso, Isabella, Gill, Tripat, Gjoneska, Biljana, Gollwitzer, Mario, Graton, Aurélien, Grinberg, Maurice, Groyecka-Bernard, Agata, Harris, Elizabeth A., Hartanto, Andree, Hassan, Widad A. N. M., Hatami, Javad, Heimark, Katrina R., Hidding, Jasper J. J., Hristova, Evgeniya, Hruška, Matej, Hudson, Charlotte A., Huskey, Richard, Ikeda, Ayumi, Inbar, Yoel, Ingram, Gordon P. D., Isler, Ozan, Isloi, Chris, Iyer, Aishwarya, Jaeger, Bastian, Janssen, Steve M. J., Jiménez-Leal, William, Jokić, Biljana, Kačmár, Pavol, Kadreva, Veselina, Kaminski, Gwenaël, Karimi-Malekabadi, Farzan, Kasper, Arno T. A., Kendrick, Keith M., Kennedy, Bradley J., Kocalar, Halil E., Kodapanakkal, Rabia I., Kowal, Marta, Kruse, Elliott, Kučerová, Lenka, Kühberger, Anton, Kuzminska, Anna O., Lalot, Fanny, Lamm, Claus, Lammers, Joris, Lange, Elke B., Lantian, Anthony, Lau, Ivy Y.-M., Lazarevic, Ljiljana B., Leliveld, Marijke C., Lenz, Jennifer N., Levitan, Carmel A., Lewis, Savannah C., Li, Manyu, Li, Yansong, Li, Haozheng, Lima, Tiago J. S., Lins, Samuel, Liuzza, Marco Tullio, Lopes, Paula, Lu, Jackson G., Lynds, Trent, Máčel, Martin, Mackinnon, Sean P., Maganti, Madhavilatha, Magraw-Mickelson, Zoe, Magson, Leon F., Manley, Harry, Marcu, Gabriela M., Seršić, Darja Masli, Matibag, Celine-Justine, Mattiassi, Alan D. A., Mazidi, Mahdi, McFall, Joseph P., McLatchie, Neil, Mensink, Michael C., Miketta, Lena, Milfont, Taciano L., Mirisola, Alberto, Misiak, Michal, Mitkidis, Panagiotis, Moeini-Jazani, Mehrad, Monajem, Arash, Moreau, David, Musser, Erica D., Narhetali, Erita, Ochoa, Danielle P., Olsen, Jerome, Owsley, Nicholas C., Özdoğru, Asil A., Panning, Miriam, Papadatou-Pastou, Marietta, Parashar, Neha, Pärnamets, Philip, Paruzel-Czachura, Mariola, Parzuchowski, Michal, Paterlini, Julia V., Pavlacic, Jeffrey M., Peker, Mehmet, Peters, Kim, Piatnitckaia, Liudmila, Pinto, Isabel, Policarpio, Monica Renee, Pop-Jordanova, Nada, Pratama, Annas J., Primbs, Maximilian A., Pronizius, Ekaterina, Purić, Danka, Puvia, Elisa, Qamari, Vahid, Qian, Kun, Quiamzade, Alain, Ráczová, Beáta, Reinero, Diego A., Reips, Ulf-Dietrich, Reyna, Cecilia, Reynolds, Kimberly, Ribeiro, Matheus F. F., Röer, Jan P., Ross, Robert M., Roussos, Petros, Ruiz-Dodobara, Fernando, Ruiz-Fernandez, Susana, Rutjens, Bastiaan T., Rybus, Katarzyna, Samekin, Adil, Santos, Anabela C., Say, Nicolas, Schild, Christoph, Schmidt, Kathleen, Ścigała, Karolina A., Sharifian, MohammadHasan, Shi, Jiaxin, Shi, Yaoxi, Sievers, Erin, Sirota, Miroslav, Slipenkyj, Michael, Solak, Çağlar, Sorokowska, Agnieszka, Sorokowski, Piotr, Söylemez, Sinem, Steffens, Niklas K., Stephen, Ian D., Sternisko, Anni, Stevens-Wilson, Laura, Stewart, Suzanne L. K., Stieger, Stefan, Storage, Daniel, Strube, Justine, Susa, Kyle J., Szekely-Copîndean, Raluca D., Szostak, Natalia M., Takwin, Bagus, Tatachari, Srinivasan, Thomas, Andrew G., Tiede, Kevin E., Tiong, Lucas E., Tonković, Mirjana, Trémolière, Bastien, Tunstead, Lauren V., Türkan, Belgüzar N., Twardawski, Mathias, Vadillo, Miguel A., Vally, Zahir, Vaughn, Leigh Ann, Verschuere, Bruno, Vlašiček, Denis, Voracek, Martin, Vranka, Marek A., Wang, Shuzhen, West, Skye-Loren, Whyte, Stephen, Wilton, Leigh S., Wlodarczyk, Anna, Wu, Xue, Xin, Fei, Yadanar, Su, Yama, Hiroshi, Yamada, Yuki, Yilmaz, Onurcan, Yoon, Sangsuk, Young, Danielle M., Zakharov, Ilya, Zein, Rizqy A., Zettler, Ingo, Žeželj, Iris L., Zhang, Don C., Zhang, Jin, Zheng, Xiaoxiao, Hoekstra, Rink, and Aczel, Balazs

Published
2022
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