| RShowDoc {utils} | R Documentation |
Utility function to find and display R documentation.
RShowDoc(what, type = c("pdf", "html", "txt"), package)
what |
a character string: see ‘Details’. |
type |
an optional character string giving the preferred format. Can be abbreviated. |
package |
an optional character string specifying the name of a package within which to look for documentation. |
what can specify one of several different sources of documentation,
including the R manuals (R-admin, R-data, R-exts,
R-intro, R-ints, R-lang), NEWS,
COPYING (the GPL licence), any of the licenses in
‘share/licenses’, FAQ (also available as
R-FAQ), and the files in ‘R_HOME/doc’.
Only on Windows, the R for Windows FAQ is specified by rw-FAQ.
If package is supplied, documentation is looked for in the
‘doc’ and top-level directories of an installed package of that name.
If what is missing a brief usage message is printed.
The documentation types are tried in turn starting with the first
specified in type (or "pdf" if none is specified).
A invisible character string given the path to the file found.
For displaying regular help files, help (or
?) and help.start.
For type = "txt", file.show is used.
vignettes are nicely viewed via RShowDoc(*, package= . ).
RShowDoc("R-lang")
RShowDoc("FAQ", type = "html")
RShowDoc("frame", package = "grid")
RShowDoc("changes.txt", package = "grid")
RShowDoc("NEWS", package = "MASS")