Arbeitspapier
Bias in nearest-neighbor hazard estimation
In nonparametric curve estimation, the smoothing parameter is critical for performance. In order to estimate the hazard rate, we compare nearest neighbor selectors that minimize the quadratic, the Kullback-Leibler, and the uniform loss. These measures result in a rule of thumb, a cross-validation, and a plug-in selector. A Monte Carlo simulation within the three-parameter exponentiated Weibull distribution indicates that a counter-factual normal distribution, as an input to the selector, does provide a good rule of thumb. If bias is the main concern, minimizing the uniform loss yields the best results, but at the cost of very high variability. Cross-validation has a similar bias to the rule of thumb, but also with high variability.
- Language
-
Englisch
- Bibliographic citation
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Series: Technical Report ; No. 2008,15
- Subject
-
hazard rate
kernel smoothing
bandwidth selection
nearest neighbor bandwidth
rule of thumb
plug-in
cross-validation
credit risk
- Event
-
Geistige Schöpfung
- (who)
-
Weißbach, Rafael
Dette, Holger
- Event
-
Veröffentlichung
- (who)
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Technische Universität Dortmund, Sonderforschungsbereich 475 - Komplexitätsreduktion in Multivariaten Datenstrukturen
- (where)
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Dortmund
- (when)
-
2008
- Handle
- Last update
-
10.03.2025, 11:44 AM CET
Data provider
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ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. If you have any questions about the object, please contact the data provider.
Object type
- Arbeitspapier
Associated
- Weißbach, Rafael
- Dette, Holger
- Technische Universität Dortmund, Sonderforschungsbereich 475 - Komplexitätsreduktion in Multivariaten Datenstrukturen
Time of origin
- 2008
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Finite sample performance of sequential designs for model identification
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