Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Katarzyna Maciejowska"'
Autor:
Katarzyna Maciejowska
Publikováno v:
Operations Research and Decisions, Vol vol. 32, Iss no. 4, Pp 75-90 (2022)
Electricity producers and traders are exposed to various risks, among which price and volume risk play very important roles. This research considers portfolio-building strategies that enable the proportion of electricity traded in different electrici
Externí odkaz:
https://doaj.org/article/3d4b443d678f43cbb65e384e44a1c62b
Publikováno v:
Energies, Vol 13, Iss 14, p 3530 (2020)
Recently, the development in combining point forecasts of electricity prices obtained with different length of calibration windows have provided an extremely efficient and simple tool for improving predictive accuracy. However, the proposed methods a
Externí odkaz:
https://doaj.org/article/189d4886967c457db3f7948550d5ab2b
Publikováno v:
Energies, Vol 12, Iss 4, p 631 (2019)
Recently, a dynamic development of intermittent renewable energy sources (RES) has been observed. In order to allow for the adoption of trading contracts for unplanned events and changing weather conditions, the day-ahead markets have been complement
Externí odkaz:
https://doaj.org/article/21fbd702aa2b42d090d4c3d73e613bf1
Autor:
Beata Zakrzewska-Pniewska, Monika Adamczyk-Sowa, Stanisław Rusek, Olga Zajkowska, Katarzyna Strzalińska, Jan Kochanowicz, Alina Kułakowska, Sławomir Wawrzyniak, Anna Narożnik, Anna Pokryszko-Dragan, Małgorzata Fudala, Adam Stępień, Magdalena Noga, Iwona Kurkowska-Jastrzębska, Andrzej Borysowicz, Krzysztof Nosek, Violetta Ptasznik, Ewa Gruszka, Andrzej Tutaj, Beata Zwiernik, Anna Michałowska, Halina Bartosik-Psujek, Izabela Paprocka, Aleksandra Podlecka-Piętowska, Agata Włodek, Joanna Kulikowska, Adam Perenc, Marcin Wnuk, Bożena Lewańczyk, Anetta Lasek-Bal, Karolina Kania, Małgorzata Pawełczyk, Marta Kucharska-Lipowska, Sławomir Budrewicz, Monika Chorąży, Anna Litwin, Michał Lipowski, Małgorzata Popiel, Katarzyna Gołuch, Monika Marona, Marta Milewska-Jędrzejczak, Maciej Maciejowski, Katarzyna Maciejowska, Henryka Lejmel, Jacek Zwiernik, Monika Nojszewska, Beata Lech, Katarzyna Kapica-Topczewska, Piotr Sobolewski, Agata Czarnowska, Katarzyna Kubicka-Bączyk, Aleksandra Pawlos, Anna Niezgodzińska-Maciejek, Elżbieta Jasińska, Przemysław Puz, Marta Białek, Agnieszka Slowik, Katarzyna Kurowska, Waldemar Brola, Joanna Tarasiuk, Alicja Kalinowska-Łyszczarz
Publikováno v:
Neurologia i Neurochirurgia Polska. 55:212-222
Introduction. The aim of this study was to report the course and outcome of SARS-CoV-2 infection in multiple sclerosis (MS) patients treated with disease-modifying therapies (DMTs) in Poland. A major concern for neurologists worldwide is the course a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::870d20249769d1abbe0301fcdbe69dc1
https://doi.org/10.5603/pjnns.a2021.0031
https://doi.org/10.5603/pjnns.a2021.0031
This paper develops a novel, fully automated forecast averaging scheme, which combines LASSO estimation method with Principal Component Averaging (PCA). LASSO-PCA (LPCA) explores a pool of predictions based on a single model but calibrated to windows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dec4580b87bfc4d7ccac846d20d9842a
Autor:
Marta Kucharska-Lipowska, Ewa Gruszka, Alina Kułakowska, Adam Perenc, Beata Lech, Monika Marona, Przemysław Puz, Karolina Kania, Beata Zwiernik, Agnieszka Slowik, Joanna Tarasiuk, Olga Zajkowska, Katarzyna Kubicka-Bączyk, Anna Pokryszko-Dragan, Natalia Niedziela, Małgorzata Popiel, Sławomir Wawrzyniak, Sławomir Budrewicz, Bożena Lewańczyk, Monika Chorąży, Monika Adamczyk-Sowa, Marcin Wnuk, Agata Czarnowska, Paweł Warmus, Anetta Lasek-Bal, Katarzyna Maciejowska, Waldemar Brola, Anna Michałowska, Alicja Kalinowska-Łyszczarz, Anna Niezgodzińska-Maciejek, Marta Białek, Jacek Zwiernik, Krzysztof Nosek, Halina Bartosik-Psujek, Katarzyna Kapica-Topczewska, Anna Mirończuk, Jan Kochanowicz, Klaudia Nowak
Publikováno v:
Journal of Clinical Medicine, Vol 10, Iss 5225, p 5225 (2021)
Journal of Clinical Medicine
Volume 10
Issue 22
Journal of Clinical Medicine
Volume 10
Issue 22
(1) Background: To report and analyze the presence of residual symptoms after SARS-CoV-2 infection among Polish patients with multiple sclerosis (MS) treated with different disease-modifying therapies (DMTs). (2) Methods: The study included 426 indiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::488a7b06eb426ad309b70149e104c00e
https://www.mdpi.com/2077-0383/10/22/5225
https://www.mdpi.com/2077-0383/10/22/5225
Autor:
Rafał Weron, Katarzyna Maciejowska
Publikováno v:
Wiley StatsRef: Statistics Reference Online. :1-9
Electricity price forecasting (EPF) is a branch of energy forecasting on the interface between econometrics/statistics and engineering, which focuses on predicting the spot and forward prices in wholesale electricity markets. Its beginnings can be tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4792c3335e5c392a3ade72472808ac0
https://doi.org/10.1002/9781118445112.stat08215
https://doi.org/10.1002/9781118445112.stat08215
Publikováno v:
Energy Economics. 99:105273
In recent years, a rapid development of renewable energy sources (RES) has been observed across the world. Intermittent energy sources, which depend strongly on weather conditions, induce additional uncertainty to the system and impact the level and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9e85dd83c81dfa8b9492202b245ce00
https://doi.org/10.1016/j.eneco.2021.105273
https://doi.org/10.1016/j.eneco.2021.105273
Publikováno v:
Energies, Vol 12, Iss 4, p 631 (2019)
Energies; Volume 12; Issue 4; Pages: 631
Energies; Volume 12; Issue 4; Pages: 631
Recently, a dynamic development of intermittent renewable energy sources (RES) has been observed. In order to allow for the adoption of trading contracts for unplanned events and changing weather conditions, the day-ahead markets have been complement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::037c66c094e2576c968710f310e14521
https://www.mdpi.com/1996-1073/12/4/631
https://www.mdpi.com/1996-1073/12/4/631
Publikováno v:
International Journal of Forecasting. 32:957-965
We examine possible accuracy gains from using factor models, quantile regression and forecast averaging to compute interval forecasts of electricity spot prices. We extend the Quantile Regression Averaging (QRA) approach of Nowotarski and Weron (2014
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d493e37fa1d2912eb4fe17bcb835838e
https://doi.org/10.1016/j.ijforecast.2014.12.004
https://doi.org/10.1016/j.ijforecast.2014.12.004