[R] Using a FOR LOOP to name objects

R. Michael Weylandt michael.weylandt at gmail.com
Wed Feb 29 13:17:55 CET 2012


In short, don't -- use a named list instead.

Long answer:

?assign
?get

Michael

On Tue, Feb 28, 2012 at 10:40 PM, michaelyb <cel81009759 at gmail.com> wrote:
> Hello,
>
> I am trying to use a for loop to name objects in each iteraction. As in the
> following example (which doesn't work quite well)
>
> my_list<-c("A","B","C","D","E","F")
> for(i in c(1:length(my_list))){
>  url<- "http://finance.yahoo.com"
>  doc = htmlTreeParse(url, useInternalNodes = T)
>  tab_nodes = xpathApply(doc, "//table[@cellpadding = '3']")
>  *my_list[i]*=lapply(tab_nodes, readHTMLTable)     #problem is in this line
>  names(*my_list[i]*)=c("Ins","outs")
>  }
>
> The problem is that in iteraction #1, I need the info to be stored at an
> object called "A"; At iteraction #2 at object called "B"... and so on....
>
> Any idea/help?
>
> thank you in advance!
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Using-a-FOR-LOOP-to-name-objects-tp4430454p4430454.html
> Sent from the R help mailing list archive at Nabble.com.
>
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