[R] How to step in a function?

Peng Yu pengyu.ut at gmail.com
Thu Dec 3 05:31:05 CET 2009


On Wed, Dec 2, 2009 at 10:12 PM, David Winsemius <dwinsemius at comcast.net> wrote:
>
> On Dec 2, 2009, at 10:54 PM, Peng Yu wrote:
>
>> On Wed, Dec 2, 2009 at 8:08 PM, David Winsemius <dwinsemius at comcast.net>
>> wrote:
>>>
>>> On Dec 2, 2009, at 8:58 PM, Peng Yu wrote:
>>>
>>>> To debug a function, what I currently know is to put 'browser()' in
>>>> it. But I'm wondering if there is a way like 'step in' that is
>>>> available in debuggers of other languages (e.g. gdb).
>>>
>>> Learn to search:
>>>
>>>> library(sos)
>>>> ???"debug step"
>>
>> I download the document from cran. But I prefer to consult the
>> document from R session. What command should I use to get the document
>> for the package of sos?
>
> The same way you would install any other package.
>
>> What command should I use to get the list of
>> functions that are in sos?
>
> Most packages have an index. Some will display a list with:
> help(package= <pkg-name> )
>
> (Do you read r-help? Did you read any basic material? Seems as though this
> much should have crossed your eyes and brain before. )

I used some other method to look for functions that are available from
other packages. But it didn't work for sos. And I was aware of the
package argument to help().



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