Loads the sp package with requireNamespace("sp", quietly = TRUE), and
checks and optionally sets the sp evolution status flag if rgdal is
unavailable.
Arguments
- quietly
logical; if
TRUE, prints diagnostic messages. DefaultFALSE- force
logical; If
rgdalis unavailable and evolution status is less that2L, returnFALSEifforceisFALSE. IfforceisTRUE, returnTRUEif the package configuration is safe, potentially after forcing the evolution status to2L. DefaultFALSE- minimum_version
character; the minimum required INLA version. Default 1.4-5 (should always match the requirement in the package DESCRIPTION)