[R] what is mechanism of help(foo)?

[Uwe Ligges]

Yiming Zhou wrote:

> I wrote a R package, and installed it. But I don't understand how R can find right help content for object "foo" when calling "help(foo)". Who can give me underlying details or any reference regarding "help(foo)"?
>  
> In fact, after installing my package "pkg_foo" and calling library(pkg_foo), I can correcttly use any function and data in "pkg_foo". But I can't get help content when I type "?function_foo". My package included the files "CONTENTS", "DESCRIPTION", "INDEX", "TITLE" and subdirectories "DATA", "MAN", "HELP", "R". 
>  
> I built it in linux system, and install it in windows system. I tried to build it in windows system using "Rcmd build package_foo". System complained: "can't found 'sh', can't found 'tar' and 'gzip'.
>  
> I appreciate for any advises.

So you haven't installed it on Windows, I guess. You would have seen the 
same complaints during the installation process. So the help files have 
not been build from your Rd files (you have created those files, I presume).

Please read ...\rw1071\src\gnuwin32\readme.packages. It tells you which 
additional tools are required to build binary packages and install 
source packages.

Uwe Ligges




> Many thanks.
>  
> Best wishes,
>  
> Yiming Zhou
>  
>  
> 
> 
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