Rcpp (>= 0.12.16), Matrix, methods, utils, raster, gdistance,
sp, stringr, tools, grDevices
Rcpp (>= 0.12.16), Matrix, methods, utils, raster, gdistance,
stringr, tools, grDevices
knitr, testthat (>= 2.1.0), rmarkdown, formatR
knitr, markdown, testthat (>= 2.1.0), rmarkdown, formatR