devtools::run_examples() works fine, but I get the following error with R CMD check:
Error in grDevices:::.smoothScatterCalcDensity(x, nbin, bandwidth) :
Must have the ('Recommended') package "KernSmooth" installed
I am using SmoothScatter()
Running R 4.1.0 on Windows 10., RStudio Version 1.4.1717.