[R] How to load functions in R
maechler at stat.math.ethz.ch
Thu Sep 11 17:07:58 CEST 2008
>>>>> "YX" == Yihui Xie <xieyihui at gmail.com>
>>>>> on Thu, 11 Sep 2008 22:47:47 +0800 writes:
YX> We may just read them in the R console instead of an external editor,
YX> and "fix()" or "edit()" them when we need to make any modifications. A
YX> trivial advantage of saving them as an image file in Windows is that
YX> you can double-click the file and R will be started with these objects
YX> loaded automatically. Anyway, to save the functions as ASCII files or
YX> even write a package are also good solutions :-)
"also good..." baahh... *THE* good!
I'd strongly second Adai's view here:
*DO* use *.R source files --- together with an R-syntax aware
editor, there are many nowadays
and source() them, as a first step;
put them in an own package as a 2nd step.
Martin Maechler, ETH Zurich
YX> On Thu, Sep 11, 2008 at 10:34 PM, Adaikalavan Ramasamy
YX> <a.ramasamy at imperial.ac.uk> wrote:
>> I would recommend saving the functions into a separate file and then using
>> source() as bartjoosen suggested.
>> I do not recommend using save() here because the output is non-readable
>> (even when using ascii=TRUE option). Which means that you have to load() it,
>> then copy-and-paste into an editor before making changes and then running it
>> again in R and then save() again.
>> Another better option is to consider making your own package. It may sound
>> complicated but once you mastered it, it makes your functions more portable
>> and encourages you to document it. Further, the function package.skeleton()
>> simplifies much of it.
>> Regards, Adai
>> Yihui Xie wrote:
>>> Hi, you may save your functions somewhere on your disk using "save()"
>>> and load them next time when you want to use them. See ?save and ?load
>>> On Thu, Sep 11, 2008 at 9:30 PM, <Mihai.Mirauta at bafin.de> wrote:
>>>> I am trying to use self created functions in other scripts than the one
>>>> where they are stored.
>>>> For the moment I am using the following structure of commands to do
>>>> 1. Load the text file with the functions in the current script:
>>>> 2. transform the tex in a function: f1=eval(x), f2=eval(x) if more
>>>> than one function is stored in the text file
>>>> 3. use the functions as normal
>>>> Is there another possibility to do the same?
>>>> Thank you,
>>>> Mihai Mirauta
>>>> [[alternative HTML version deleted]]
YX> Yihui Xie <xieyihui at gmail.com>
YX> Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086
YX> Mobile: +86-15810805877
YX> Homepage: http://www.yihui.name
YX> School of Statistics, Room 1037, Mingde Main Building,
YX> Renmin University of China, Beijing, 100872, China
YX> R-help at r-project.org mailing list
YX> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
YX> and provide commented, minimal, self-contained, reproducible code.
More information about the R-help