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2018 | 2 | 334 |

Article title

Selected Robust Logistic Regression Specification for Classification of Multi‑dimensional Functional Data in Presence of Outlier

Content

Title variants

Zastosowanie odpornej regresji logistycznej do klasyfikacji wielowymiarowych danych funkcjonalnych

Languages of publication

EN

Abstracts

EN
In this paper, the binary classification problem of multi‑dimensional functional data is considered. To solve this problem a regression technique based on functional logistic regression model is used. This model is re‑expressed as a particular logistic regression model by using the basis expansions of functional coefficients and explanatory variables. Based on re‑expressed model, a classification rule is proposed. To handle with outlying observations, robust methods of estimation of unknown parameters are also considered. Numerical experiments suggest that the proposed methods may behave satisfactory in practice.
PL
W niniejszym artykule rozważany jest problem dwuetykietowej klasyfikacji wielowymiarowych danych funkcjonalnych. Zaproponowane rozwiązanie tego problemu oparto na technikach regresyjnych i modelu regresji logistycznej dla danych funkcjonalnych. Model ten został przekształcony do szczególnego modelu regresji logistycznej za pomocą rozwinięcia (będących funkcjami) współczynników regresji i zmiennych objaśniających w bazie funkcyjnej. Na podstawie tego modelu skonstruowana została reguła klasyfikacyjna. W przypadku występowania obserwacji odstających rozważane są również metody odpornej estymacji nieznanych parametrów. Eksperymenty numeryczne sugerują, że proponowane metody mogą z powodzeniem być wykorzystane w praktycznych zagadnieniach.

Year

Volume

2

Issue

334

Physical description

Dates

published
2018-02-28

Contributors

  • The President Stanisław Wojciechowski State University of Applied Sciences in Kalisz, Interfaculty Institute of Mathematics and Statistics
author
  • Adam Mickiewicz University in Poznań, Faculty of Mathematics and Computer Science

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.ojs-doi-10_18778_0208-6018_334_04
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