[R] re moving parentheses/square brackets from data frame numbers

[Charles C. Berry]

On Mon, 10 Mar 2008, Thomsen wrote:

>
> Dear list,
>
> I am importing data consisting of numbers into dataframes. Some of the
> numbers are flanked by parentheses or square brackets. Thus, they are not
> recognized as numeric and the corresponding column is of class "factor"
> which makes it hard/impossible use in plotting functions.
>
> Is there a way to remove brackets from numbers in a column/row/dataframe?


Oh yes!

But you have not followed this dictum

 	 provide commented, minimal, self-contained, reproducible code


so we can't suggest specific solutions.

Suggest you see

 	?gsub
 	?regexp

HTH,

Chuck

>
> Kind regards,
>
> Stefan
> -- 
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>
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> and provide commented, minimal, self-contained, reproducible code.
>

Charles C. Berry                            (858) 534-2098
                                             Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu	            UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901