ggbiplot installation error

Error: package or namespace load failed for ‘devtools’:
.onLoad failed in loadNamespace() for 'pkgload', details:
call: NULL
error: package ‘backports’ does not have a namespace
Error in install_github("vqv/ggbiplot") :
could not find function "install_github"

This topic was automatically closed 21 days after the last reply. New replies are no longer allowed.