[R] Superscript

[Duncan Murdoch]

On 03/04/2013 11:01 AM, Shane Carey wrote:
> Hi,
> How do I write a superscript within gsub?
>
> I have the following: gsub("_mgkg",expression(paste("mg kg"^{-1})),names[1])
>

gsub() doesn't work with expressions, it works with character strings.  
You're going to need to split your string into parts before and after 
the "_mgkg" string, and then put it together again as an expression.

Duncan Murdoch