checking tests ... ERROR
Running the tests in ‘tests/testthat.R’ failed.
Last 13 lines of output:
Type 'q()' to quit R.
> library(testthat)
> library(ARTool)
Loading required package: lme4
Loading required package: Matrix
Loading required package: Rcpp
Loading required package: car
>
> test_check("ARTool")
Error in library(lsmeans) : there is no package called 'lsmeans'
Calls: test_check ... lapply -> FUN -> sys.source2 -> eval -> eval -> library
Execution halted
You can use skip_if_not_installed() to avoid this problem
You can use
skip_if_not_installed()
to avoid this problem