[R] Odp: Data manipulations with numbers which are in 'comma' format

[Petr PIKAL]

Hi


> Hi R,
> 
> 
> 
> May be a trivial question, but struggling to find a solution...
> 
> 
> 
> v=data.frame(a=c("1,234","2,345","5,567"))
> 
> > v
> 
>         a
> 
> 1    1,234
> 
> 2    2,345
> 
> 3    5,567
> 
> 
> 
> I need a column 'b', which is just the addition of column 'a' with 5.
> How do I do it? And, entries in column 'a' are with commas, always.
> Also, class(v$a)=factor.

something like

> v$b <- as.numeric(gsub(",",  ".", v$a)) + 5
> v
      a      b
1 1,234  6.234
2 2,345  7.345
3 5,567 10.567

Regards

Petr

> 
> 
> 
> BR, Shubha
> 
> 
>    [[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide 
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.