[R] Converting strings with internal delimiters into lists

[shelby berkowitz]

yes, that does it.  thanks!

--- Thomas Lumley <tlumley at u.washington.edu> wrote:

> On Thu, 11 Aug 2005, shelby berkowitz wrote:
> 
> > Hi UserRs,
> >
> > I know that there has to be an easy way to do this
> in
> > R (probably easy enough that once someone clues me
> in
> > I'll smack myself on the forehead for not figuring
> it
> > out myself), but my searches on my own have not
> > yielded any hints.
> 
> I think you are looking for strsplit()
> 
>  	-thomas
> 
> 
> > I have many fields in my dataset that participants
> > entered as "free lists" - i.e., the field
> constitutes
> > a varying number of names each separated by a
> > delimiter.  The resulting data frame might look
> > something like:
> >
> > testtable<-
> >
>
as.data.frame(cbind(c("Joe,Mary,Jane","Mary"),c("Fred,Joe","Pete,Joe,Mary,Fred")))
> >
> > In actuality the names are typically multi-word
> > organization names, but you get the idea...
> >
> > What I need to do is to convert these text strings
> > into lists comprised of the elements separated by
> the
> > commas so that I can work with these elements
> across
> > the dataset, manipulate them, etc.
> >
> > Thanks in advance to any kind soul who can offer
> me a
> > tip to the appropriate functions or a line of
> code!
> >
> > Best,
> >
> > Shelby
> >
> > ______________________________________________
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> 
> Thomas Lumley			Assoc. Professor, Biostatistics
> tlumley at u.washington.edu	University of Washington,
> Seattle
>