[R] How do you use agrep inside a loop

Pascal Oettli kridox at ymail.com
Tue Dec 11 08:54:13 CET 2012


Hi,

There is a mistake in the first line. It should be:
 > for(i in 1:(length(test1)-1))

Regards,
Pascal


Le 11/12/2012 16:01, surekha nagabhushan a écrit :
> Hi all.
>
> This is my first message at R-help...so I'm hoping I have some beginner's
> luck and get some good help for my problem!
>
> FYI I have just started using R recently so my knowledge of R is pretty
> preliminary.
>
> Okay here is what I need help with - I need to know how to use agrep in a
>   for loop.
>
> I need to compare elements of a vector of names with other elements of the
> same vector.
>
> However if I use something like this:
>
> for(i in 1:length(test1)-1)
> {
>    for(j in i+1:length(test1))
>    {
>    result[[i]][j] <- agrep(test1[i], test1[j], ignore.case = TRUE, value =
> TRUE, max.distance = 0.1)
>    }
>
> }
>
> I get an error message saying - invalid 'pattern' argument. -* Error in
> agrep(test1[i], test1[j], ignore.case = TRUE, value = TRUE, max.distance =
> 0.1) : *
> *  invalid 'pattern' argument*
>
> Test 1 being - c("Vashi", "Vashi,navi Mumbai", "Thane", "Vashi,new Mumbai",
> "Thana", "Surekha", "Thane(w)", "surekhaN")
>
> This is the first time I'm using agrep, I do not understand how it works
> fully...
>
> Kindly help...
>
> Thank you.
>
> Su.
>
> 	[[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.
>




More information about the R-help mailing list