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Code for Calculating Contiguous Events for the States

Harvard Dataverse (Africa Rice Center, Bioversity International, CCAFS, CIAT, IFPRI, IRRI and WorldFish)

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Title Code for Calculating Contiguous Events for the States
 
Identifier https://doi.org/10.7910/DVN/29775
 
Creator Mallinson, Daniel J
 
Publisher Harvard Dataverse
 
Description This is code that I use to automatically calculate the count and percentage of contiguous states that have experienced an event in the past. This is most commonly used for studies of inter-state policy diffusion, however it can be applied to any previous event (e.g., court decisions) in neighboring states that is expected to affect the likelihood of current state action. I also include mock adoption data for state anti-bullying and stand your ground laws. This allows the user to better understand how the code will work for their own event data. I include code for a dataset of a single event and one for multiple different types of events (e.g., a large adoption dataset like that used in Boehmke and Skinner 2012). I certainly appreciate comments on improving this code and eliminating any errors.
 
Subject Social Sciences
 
Date 2015-04-01