Enables researchers to sample redistricting plans from a prespecified target distribution using Sequential Monte Carlo and Markov Chain Monte Carlo algorithms. The package allows for the implementation of various constraints in the redistricting process such as geographic compactness and population parity requirements. Tools for analysis such as computation of various summary statistics and plotting functionality are also included. The package implements the SMC algorithm of McCartan and Imai (2020) <arXiv:2008.06131>, the enumeration algorithm of Fifield, Imai, Kawahara, and Kenny (2020) <doi:10.1080/2330443X.2020.1791773>, the Flip MCMC algorithm of Fifield, Higgins, Imai and Tarr (2020) <doi:10.1080/10618600.2020.1739532>, the Mergesplit/Recombination algorithms of Carter et al. (2019) <arXiv:1911.01503> and DeFord et al. (2021) <doi:10.1162/99608f92.eb30390f>, and the Shortburst optimization algorithm of Cannon et al. (2020) <arXiv:2011.02288>.
Package details 


Author  Christopher T. Kenny [aut, cre], Cory McCartan [aut], Ben Fifield [aut], Kosuke Imai [aut], Jun Kawahara [ctb], Alexander Tarr [ctb], Michael Higgins [ctb] 
Maintainer  Christopher T. Kenny <christopherkenny@fas.harvard.edu> 
License  GPL (>= 2) 
Version  4.1.1 
URL  https://alarmredist.org/redist/ 
Package repository  View on CRAN 
Installation 
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