R help - Mar 2008 - re moving parentheses/square brackets from data frame numbers

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?

Kind regards,

Stefan
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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
> -- 
> View this message in context:
http://www.nabble.com/removing-parentheses-square-brackets-from-data-frame-numbers-tp15950774p15950774.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help at r-project.org mailing list
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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.
>
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