A subset of the aggregated death rate data from Snow's legendary study of the source of the London Cholera outbreak.
A data frame with 4 rows and 4 variables
Water pump supplier
Status of water pump
Deaths per 10k 1851 population
This data is used in the Difference-in-Differences chapter of The Effect by Huntington-Klein.
Snow, John. 1855. 'On the Mode of Communication of Cholera'. John Churchill."
Coleman, Thomas. 2019. 'Causality in the time of cholera: John Snow as a prototype for causal inference.' SSRN 3262234."
Huntington-Klein. 2021. The Effect: An Introduction to Research Design and Causality. https://theeffectbook.net.