Spatially-Enhanced and Entropy-Derived Contiguity Matrix (SpEED)

• Requirement: C++ compilers, Rcpp, RcppArmadillo, sf
• To install this package, please use the command below. It assumes that users have installed remotes or pak packages:

remotes::install_github("sigmafelix/speed")

pak::pak("sigmafelix/speed")

• Calculating a Hadamard product of a Jensen-Shannon divergence matrix and a geographic distance matrix to control geographic confounding
• Emulates exact matching, with mixed variables
• Actual matching procedure is done with https://github.com/kouskeimai/MatchIt
• Inspired by https://github.com/gpapadog/DAPSm

• TODO: Rcpp level parallelization to reduce execution time
• TODO: connecting/porting to Julia