I'm not able to open these resources in r.
source("http://www.zzlab.net/GAPIT/emma.txt")
source("http://www.zzlab.net/GAPIT/gapit_functions.txt")
source("http://www.zzlab.net/FarmCPU/FarmCPU_functions.txt")
The following error appears:
Error in file(filename, "r", encoding = encoding) : cannot open the connection
In addition: Warning message: In file(filename, "r", encoding = encoding) : InternetOpenUrl failed: 'The hostname of this certificate does not is valid or does not match'