Try 'gsub'
> y
schid sch_name
1 331-802-7081 School One
2 464-551-7357 School Two
3 388-517-7627 School Three & Four
4 388-517-4394 School Five
> levels(y$sch_name) <- gsub("&", "\\\\&", levels(y$sch_name))
> y
schid sch_name
1 331-802-7081 School One
2 464-551-7357 School Two
3 388-517-7627 School Three \\& Four
4 388-517-4394 School Five
>
On 8/16/06, Doran, Harold <[EMAIL PROTECTED]> wrote:
>
> I'm trying to read in some data from a .csv format and have come across
> the following issue. Here is a simple example for replication
>
> # A sample .csv format
> schid,sch_name
> 331-802-7081,School One
> 464-551-7357,School Two
> 388-517-7627,School Three \& Four
> 388-517-4394,School Five
>
> Note the third line includes the \ character. However, when I read the
> data in I get
>
> > read.csv(file.choose())
> schid sch_name
> 1 331-802-7081 School One
> 2 464-551-7357 School Two
> 3 388-517-7627 School Three & Four
> 4 388-517-4394 School Five
>
> It turns out to be very important to read in this character as I have a
> program that loops through a data set and Sweave's about 30,000 files.
> The variable sch_name gets dropped into the tex file using
> \Sexpr{tmp$sch_name}. However, if there is an &, the latex file won't
> compile properly. So, what I need is for the data to be read in as
>
> schid sch_name
> 1 331-802-7081 School One
> 2 464-551-7357 School Two
> 3 388-517-7627 School Three \& Four
> 4 388-517-4394 School Five
>
> I am obligated by a client to include the & in the school name, so
> eliminating that isn't an option. I thought maybe comment.char or quote
> would be what I needed, but they didn't resolve the issue. I'm certain
> I'm missing something simple, I just can't see it.
>
> Any thoughts?
>
> Harold
>
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
[[alternative HTML version deleted]]
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