helpExtract: Extract Portions from R Help Files for Use in Documents

In mrdwab/SOfun: Functions From Answers to R Questions on Stack Overflow

Description

Extracts specified portions of R help files for use in Sweave or R-markdown documents.

Usage

helpExtract(Function, section = "Usage", type = "m_code", ...)

Arguments

Function	The function that you are extracting the help file from.
section	The section you want to extract. Defaults to "Usage".
type	The type of character vector you want returned. Defaults to "m_code". See Details
...	Other arguments passed to getHelpFile.

Details

The type argument accepts:

• "m_code": For use with markdown documents in instances where highlighted code is expected, for example the "Usage" section.

• "m_text": For use with markdown documents in instances where regular text is expected, for example the "Description" section.

• "s_code": For use with Sweave documents in instances where highlighted code is expected, for example the "Usage" section.

• "s_text": For use with Sweave documents in instances where regular text is expected, for example the "Description" section.

To insert a chunk into a markdown document, use something like:

```{r, echo=FALSE, results='asis'} cat(helpExtract(cor), sep = "\n") ```

To insert a chunk into a Sweave document, use something like:

\Sexpr{knit_child(textConnection(helpExtract(cor, type = "s_code")), options = list(tidy = FALSE, eval = FALSE))}

Value

A character vector to be used in a Sweave or R-markdown document.

Author(s)

Ananda Mahto

Examples

cat(helpExtract(cor), sep = "\n")

cat(helpExtract(cor, type = "m_text"))

cat(helpExtract(cor, type = "m_text", section="Description"))

mrdwab/SOfun documentation built on June 20, 2020, 6:15 p.m.