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 And the various confusions that arise... Inspired by our experiences on the [SAVE](https://save-project.co.uk/) project.
 
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  * Now published as: Ben Anderson, Tom Rushby, Abubakr Bahaj & Patrick James (2019) [Ensuring statistics have power: Guidance for designing, reporting and acting on electricity demand reduction and behaviour change programs](https://doi.org/10.1016/j.erss.2019.101260)
 
 Structured as an [R package](http://r-pkgs.had.co.nz/) for re-producability.