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| Kvantilregression× | Poisson- och negativ binomialregression× | |
|---|---|---|
| Ämnesområde | Ekonometri | Ekonometri |
| Familj | Regression model | Regression model |
| Ursprungsår≠ | 1978 | 1998 |
| Upphovsperson≠ | Koenker & Bassett | Cameron & Trivedi (textbook treatment); Hilbe (negative binomial) |
| Typ≠ | Conditional quantile regression | Generalized linear model for count data |
| Ursprungskälla≠ | Koenker, R. & Bassett, G., Jr. (1978). Regression Quantiles. Econometrica, 46(1), 33-50. DOI ↗ | Cameron, A. C. & Trivedi, P. K. (1998). Regression Analysis of Count Data. Cambridge University Press. DOI ↗ |
| Alias≠ | conditional quantile regression, regression quantiles, Kantil Regresyon | count regression, log-linear count model, negative binomial regression, Poisson / Negatif Binom Regresyon |
| Närliggande≠ | 5 | 4 |
| Sammanfattning≠ | Quantile regression models conditional quantiles of an outcome - the median, the 25th or 75th percentile, and so on - rather than the conditional mean that OLS targets. Introduced by Koenker and Bassett in 1978, it reveals how predictors act across the whole distribution, including its tails. | Poisson regression is a generalized linear model for count outcomes — events tallied as non-negative integers such as hospital admissions, accidents, or article counts. It models the log of the expected count as a linear function of the predictors, and is developed in the standard count-data treatment of Cameron and Trivedi (1998); when the counts are over-dispersed, the closely related negative binomial model (Hilbe, 2011) is preferred. |
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