Conflicting function names in R: reset precedence of a package namespace over more recently loaded packages

问题

The name conflicts between namespaces from different packages in R can be dangerous, and the use of package::function is unfortunately not generalized in R...

Isn't there a function that can reset the precedence of a package namespace over all the others currently loaded? Surely we can detach and then reload the package, but isn't there any other, more practical (one-command) way?

Because I often end up with many packages and name conflicts in my R sessions, I use the following function to do that:

set_precedence <- function(pckg) {
  pckg <- deparse(substitute(pckg))
  detach(paste("package", pckg, sep = ":"), unload=TRUE, character.only=TRUE)
  library(pckg, character.only=TRUE)
}
# Example
set_precedence(dplyr)

No built-in way to achieve this in a single command? Or a way that doesn't imply detaching and reloading the package, in case it is heavy to load, and working directly on namespaces?

回答1:

I would suggest taking a look at the conflicted package.

回答2:

Prefix the package name with a double colon: <package>::<function>()

For instance:

ggplot2::ggplot(data=data, ggplot2::aes(x=x)) +
    ggplot2::geom_histogram()

More typing, but I feel so much less anxious using R now that I have found this.

来源：https://stackoverflow.com/questions/36330105/conflicting-function-names-in-r-reset-precedence-of-a-package-namespace-over-mo