thank you so much for your reply.
I have just successfully updated the version of "rlang"
however when it comes to downloading the ggplot2, it showed the error message as below:
would you mind helping me to "decipher the code" please? what should i do next?
There is a binary version available but the source version is later:
binary source needs_compilation
ggplot2 2.2.1 3.3.1 FALSE
installing the source package ‘ggplot2’
downloaded 2.9 MB
- installing source package ‘ggplot2’ ...
** package ‘ggplot2’ successfully unpacked and MD5 sums checked
*** moving datasets to lazyload DB
** preparing package for lazy loading
Error : object ‘glue_collapse’ is not exported by 'namespace:glue'
ERROR: lazy loading failed for package ‘ggplot2’
- removing ‘/Library/Frameworks/R.framework/Versions/3.3/Resources/library/ggplot2’
- restoring previous ‘/Library/Frameworks/R.framework/Versions/3.3/Resources/library/ggplot2’
Warning in install.packages :
installation of package ‘ggplot2’ had non-zero exit status
The downloaded source packages are in