- Tytuł:
- Zero-inflated claim count modeling and testing – a case study
- Autorzy:
- Wolny-Dominiak, Alicja
- Powiązania:
- https://bibliotekanauki.pl/articles/424865.pdf
- Data publikacji:
- 2013
- Wydawca:
- Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
- Tematy:
-
claim counts
ZIP
ZINB
ZIGP - Opis:
- In this paper the application of parametric count data models in claim counts modeling is investigated. Insurance portfolios have a very specific characteristic, i.e. for many policies there are no claims observed in the insurance history for a given period of time. As the zero-inflation and over-dispersion effects are a common situation in insurance portfolios, three models: zero-inflated Poisson (ZIP), zero-inflated negative binomial (ZINB) and zeroinflated generalized Poisson regression (ZIGP) are tested against the classic Poisson model. The 4-step procedure for modeling zero-inflation effect is proposed. This procedure is applied in the case study. For all calculations the R CRAN software was used.
- Źródło:
-
Econometrics. Ekonometria. Advances in Applied Data Analytics; 2013, 1(39); 144-151
1507-3866 - Pojawia się w:
- Econometrics. Ekonometria. Advances in Applied Data Analytics
- Dostawca treści:
- Biblioteka Nauki