[R] append data

[Peter Dalgaard BSA]

Yu-Ling Wu <yuling5 at yahoo.com> writes:

> Hi,
> 
> I read a dataset into R. It looks like this:
> 
> > rawlist
> x1      x2       x3
> 2        12        64
> 5        12        42
> 5         9        42
> 18        14       535
> 26        23       751
> 
> Now I want to append some values of zero to let it
> look like this:
> 
> x1      x2       x3
> 2        12        64
> 5        12        42
> 5         9        42
> 18        14       535
> 26        23       751
> 0          0         0
> 0          0         0
> 0          0         0
> 0          0         0
> 
> How to do this?

Something along the lines of

zeros <- as.data.frame(matrix(0,4,3))
names(zeros) <- names(rawlist)
rbind(rawlist, zeros)

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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