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| Bayesian Structural Time Series× | Pārtraukto laika sēriju (ITS) analīze× | |
|---|---|---|
| Nozare≠ | Bajesa metodes | Cēloņsakarību secināšana |
| Saime≠ | Bayesian methods | Regression model |
| Izcelsmes gads≠ | 2014 | 2002 |
| Autors≠ | Scott & Varian (2014); Brodersen et al. (2015) | Wagner, Soumerai, Zhang & Ross-Degnan (segmented regression); Bernal, Cummins & Gasparrini (tutorial) |
| Tips≠ | State-space model / Bayesian structural model | Quasi-experimental segmented regression |
| Pirmavots≠ | Scott, S. L. & Varian, H. R. (2014). Predicting the Present with Bayesian Structural Time Series. International Journal of Mathematical Modelling and Numerical Optimisation, 5(1/2), 4–23. DOI ↗ | Bernal, J. L., Cummins, S., & Gasparrini, A. (2017). Interrupted time series regression for the evaluation of public health interventions: a tutorial. International Journal of Epidemiology, 46(1), 348-355. DOI ↗ |
| Citi nosaukumi≠ | BSTS, Bayesian Yapısal Zaman Serisi (BSTS), bayesian state-space model, causal impact model | ITS analysis, segmented regression of time series, Kesintili Zaman Serisi (ITS) Analizi |
| Saistītās | 5 | 5 |
| Kopsavilkums≠ | Bayesian Structural Time Series (BSTS) is a state-space modelling framework, introduced by Scott and Varian (2014), that decomposes a time series into additive components — trend, seasonality, and regression — and estimates them jointly through Bayesian inference. It underpins Google's CausalImpact library and is a powerful tool for both forecasting and counterfactual causal analysis of interventions. | Interrupted Time Series analysis is a quasi-experimental design that estimates the effect of a single, well-dated intervention by comparing the trajectory of an outcome before and after it occurs. Formalised as segmented regression by Wagner and colleagues (2002) and popularised as a public-health evaluation tutorial by Bernal, Cummins and Gasparrini (2017), it separates the intervention's impact into a change in level and a change in slope. |
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