Statistically Created Counterfactual

A statistical model, such as a regression analysis, is used to develop an estimate of what would have happened in the absence of an intervention. This can be used when the intervention is already at scale – for example, it was used for an impact evaluation of the privatization of national water supply services. 



  • CausalImpact: This open-source R package, developed by Kay H. Brodersen, can be used for estimating the causal effect of a designed intervention on a time series. 

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Updated: 19th November 2014 - 1:42pm


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