Zobrazeno 1 - 10
of 5 752
pro vyhledávání: '"Boldea, A."'
We consider estimation and inference in a linear model with endogenous regressors where the parameters of interest change across two samples. If the first-stage is common, we show how to use this information to obtain more efficient two-sample GMM es
Externí odkaz:
http://arxiv.org/abs/2406.17056
We study the effectiveness of subagging, or subsample aggregating, on regression trees, a popular non-parametric method in machine learning. First, we give sufficient conditions for pointwise consistency of trees. We formalize that (i) the bias depen
Externí odkaz:
http://arxiv.org/abs/2404.01832
Autor:
Popescu, Marcel M., Văduvescu, O., de León, Julia, Marcos, C. de la Fuente, Marcos, R. de la Fuente, Stănescu, M. O., Alarcon, M. R., Ricart, M. Serra, Licandro, J., Berteşteanu, D., Predatu, M., Curelaru, L., Barwell, F., Jhass, K., Boldea, C., Macías, A. Aznar, Hudin, L., Dumitru, B. A.
Publikováno v:
A&A 676, A126 (2023)
Near-Earth asteroids (NEAs) that may evolve into impactors deserve detailed threat assessment studies. Early physical characterization of a would-be impactor may help in optimizing impact mitigation plans. We first detected NEA 2023~DZ$_{2}$ on 27--F
Externí odkaz:
http://arxiv.org/abs/2306.11347
During its first two years, the SARS-CoV-2 pandemic manifested as multiple waves shaped by complex interactions between variants of concern, non-pharmaceutical interventions, and the immunological landscape of the population. Understanding how the ag
Externí odkaz:
http://arxiv.org/abs/2212.13470
Autor:
Loche S, Kanumakala S, Backeljauw P, Schwab KO, Lechuga-Sancho AM, Esmael A, Urosevic D, Boldea A, Zabransky M
Publikováno v:
Drug Design, Development and Therapy, Vol Volume 18, Pp 667-684 (2024)
Sandro Loche,1 Shankar Kanumakala,2 Philippe Backeljauw,3 Karl Otfried Schwab,4 Alfonso M Lechuga-Sancho,5– 7 Altaher Esmael,8 Dragan Urosevic,9 Anca Boldea,8 Markus Zabransky8 1Endocrinologia Pediatra e Centro, Screening Neonatale, Ospedale Pediat
Externí odkaz:
https://doaj.org/article/c01cf98fe8304b9ab906d8191ee82a05
Autor:
Rothfelder, Mario P., Boldea, Otilia
We show by simulation that the test for an unknown threshold in models with endogenous regressors - proposed in Caner and Hansen (2004) - can exhibit severe size distortions both in small and in moderately large samples, pertinent to empirical applic
Externí odkaz:
http://arxiv.org/abs/2207.10076
Autor:
Laura Crista, Isidora Radulov, Florin Crista, Florinel Imbrea, Dan Nicolae Manea, Marius Boldea, Iosif Gergen, Anișoara Aurelia Ienciu, Alina Lațo
Publikováno v:
Agriculture, Vol 14, Iss 8, p 1428 (2024)
This study sought to determine the effects of foliar fertilization (FF) on both the quantity and quality of maize grains using principal component analysis (PCA). This chemometric approach enabled the selection of the best foliar treatment model for
Externí odkaz:
https://doaj.org/article/623c3eddd0fe4d76b7ca6cd766d282c5
Autor:
Iulia-Maria Bucur, Alex Cristian Moza, Mirel Pop, Ileana Nichita, Cristina Mirabela Gaspar, Răzvan Cojocaru, Radu-Valentin Gros, Marius Valentin Boldea, Andreea Tirziu, Emil Tirziu
Publikováno v:
Microorganisms, Vol 12, Iss 6, p 1236 (2024)
The study focused on the hunting practices and potentially pathogenic bacterial species among European fallow deer (Dama dama). Within a five-year period, three hunting grounds from Western Romania were examined. During this period, a total of 1881 d
Externí odkaz:
https://doaj.org/article/3f2691ba7912433aa3daa511bcfcbeec
Autor:
Gorgan, Dorian, Vaduvescu, Ovidiu, Stefanut, Teodor, Bacu, Victor, Sabou, Adrian, Balazs, Denisa Copandean, Nandra, Constantin, Boldea, Costin, Boldea, Afrodita, Predatu, Marian, Pinter, Viktoria, Stanica, Adrian
Publikováno v:
Published online by the ESA Space Safety Programme Office, 2019
The survey of the nearby space and continuous monitoring of the Near Earth Objects (NEOs) and especially Near Earth Asteroids (NEAs) are essential for the future of our planet and should represent a priority for our solar system research and nearby s
Externí odkaz:
http://arxiv.org/abs/1903.03479
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