checking drf_1.3.1.tar.gz ... Depends: Package: drf Depends: R (>= 3.4.4) Imports: stats, fastDummies, Matrix, methods, Rcpp (>= 0.12.15) LinkingTo: Rcpp, RcppEigen Timings: user system elapsed drf 700.393 8.821 111.948 Results: Check status summary: ERROR Source packages 1 Check results summary: drf ... ERROR * checking CRAN incoming feasibility ... [4s/5s] NOTE * checking examples ... [628s/29s] ERROR