List Keywords For R Manual Pages

List the keywords for specific R man pages or return a list of valid R keywords.

Usage

funKeywords(topic)

Arguments

topic

optional, object or man page topic.

Value

if topic is missing, the R keywords documentation file is opened for display via file.show(), invisibly returning NULL. Otherwise, a character vector of topic names whose keywords match topic.

Details

If topic is provided, return a list of the Keywords associated with topic. Otherwise, display the list of valid R Keywords from the R doc/Keywords file.

Note

Substantially based on the keywords() function from the gtools package by Gregory R. Warnes, with minor adaptations by the package author.

See also

help()

Other pkg.funinfo: funArgs(), funCalls(), funList(), rdLabels(), rdTitle()

Examples

# \donttest{
## Show all valid R Keywords
funKeywords()

## Show Keywords associated with the 'merge' function
funKeywords(merge)
#> [1] "data"  "manip" "array"
funKeywords("merge")
#> [1] "data"  "manip" "array"
# }