[R] Opening package manual from within R

[David Winsemius]

Try:

help(package=tm)

(You do not need library(). )
--  
David.

On Aug 23, 2011, at 6:17 PM, Tyler Rinker wrote:

>
> I don't think help.start is what I'm looking for but I may be doing  
> it wrong.  I tried:
>
> library(tm)
> help.start("tm")
>
> This may be inappropriate as it returns:
>
>> library(tm)
>> help.start("tm")
> Error in if (update) make.packages.html(temp = TRUE) :
>  argument is not interpretable as logical
>
> Just typing help.start() takes me to a web page but I still have to  
> search.
>
> I wrote a function to do what I want that I could place in  
> my  .First() or a premade package but why bother if there's a way to  
> already do this?
> #=============================================================
> #                                                       FUNCTION
> #=============================================================
> manual <- function(library){
>
> LIB <- substitute(library)
> LIB <- as.character(LIB)
> browseURL(paste("http://cran.r-project.org/web/ 
> packages/",LIB,"/",LIB,".pdf", sep = ""))
> }
>
> #=============================================================
> #                                                        EXAMPLES
> #=============================================================
> manual(plyr)
> manual(tm)
>
>
>
>
>
>> Date: Tue, 23 Aug 2011 15:10:51 -0700
>> Subject: Re: [R] Opening package manual from within R
>> From: gunter.berton at gene.com
>> To: tyler_rinker at hotmail.com
>> CC: r-help at r-project.org
>>
>> After loading the package, does help.start() do what you want?
>>
>> -- Bert
>>
>> On Tue, Aug 23, 2011 at 2:32 PM, Tyler Rinker <tyler_rinker at hotmail.com 
>> > wrote:
>>>
>>> Simple question but searching rseek did not yield the results I  
>>> wanted.
>>>
>>> Question:  Is there a way to open a help manual for a package from  
>>> within R.
>>>
>>> For instance I would like to type a function in r for the tm  
>>> package and R would open that PDF as seen here:
>>> http://cran.r-project.org/web/packages/tm/tm.pdf
>>>
>>> -The vignette function exists for vignettes  
>>> [vignette("package.name")] so I assume the same exists for manuals.
>>>
>>> -I do not want library(help="package.name") as this is not  
>>> detailed enough.
>>>
>>> I am running R 2.14.0 beta on a windows 7 machine
>>> Reproducible code does not seem appropriate in this case.
>>>       [[alternative HTML version deleted]]
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
> 		 	   		
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
West Hartford, CT