Ok thanks


On Wed, Apr 3, 2013 at 4:15 PM, Duncan Murdoch <murdoch.duncan@gmail.com>wrote:

> 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
>



-- 
Shane

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