[R] split/decompose lines

[Ben Bolker]

Mafalda Viana-2 wrote:
> 
> 
> I need to split (or decompose) one line into many lines using one field as
> a
> reference.
> 
> I have a table with the following format:
> 
> A   B   Frequency
> 23  3   2
> 24  2   5
> 25  1   3
> 
> 

olddata[rep(1:nrow(olddata),olddata$B),] 
repeats the rows of the data frame the appropriate number
of times.  The new Frequency column is trivial
(rep(1,sum(olddata$B))

  Ben Bolker

-- 
View this message in context: http://www.nabble.com/split-decompose-lines-tp22146585p22148058.html
Sent from the R help mailing list archive at Nabble.com.