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Esamina i metodi selezionati fianco a fianco; le righe che differiscono sono evidenziate.
| Modello a soglia per dati di conteggio× | Regressione Logistica× | |
|---|---|---|
| Campo≠ | Statistica | Statistica per la ricerca |
| Famiglia≠ | Regression model | Process / pipeline |
| Anno di origine≠ | 1986 | 1958 |
| Ideatore≠ | Mullahy | David Roxbee Cox |
| Tipo≠ | Two-part count model | Method |
| Fonte seminale≠ | Mullahy, J. (1986). Specification and Testing of Some Modified Count Data Models. Journal of Econometrics, 33(3), 341–365. DOI ↗ | Cox, D. R. (1958). The regression analysis of binary sequences. Journal of the Royal Statistical Society, Series B, 20(2), 215–242. DOI ↗ |
| Alias≠ | hurdle count model, two-part count model, zero-truncated count model, Engel Modeli (Hurdle Model) | logit model, binomial logistic regression, LR |
| Correlati≠ | 5 | 3 |
| Sintesi≠ | The hurdle model is a two-part count-data model introduced by Mullahy (1986). A first stage models the binary choice of crossing a hurdle (a zero versus a non-zero count), and a second stage models the strictly positive counts with a zero-truncated distribution such as a zero-truncated Poisson or negative binomial. | Logistic regression is a statistical method for modeling the probability of a binary outcome (disease present/absent, success/failure) as a function of continuous and categorical predictors. Developed by David Roxbee Cox (1958), it solves the problem of predicting categorical outcomes by applying a logistic transformation to constrain predictions to the [0,1] probability interval, enabling accurate risk stratification, diagnostic prediction, and causal inference in epidemiology, medicine, and social science. |
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