[R] Transforming matrix to data.frame: problems

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Fri Nov 9 21:11:07 CET 2001


Agustin Lobo <alobo at ija.csic.es> writes:

> Hi all,
> 
> I have problems transforming a matrix 
> into a data.frame:
> 
> If I do:
> 
> > is.matrix(parcelas.cobtot.conti)
> [1] TRUE
> > dim(parcelas.cobtot.conti)
> [1] 25 64
> 
> > a  <- data.frame(parcelas.cobtot.conti)
> > is.data.frame(a)
> [1] TRUE
> > 
> > dim(a)
> [1] 1600    3
> 
> Why a does not have the same dimensions than 
> parcelas.cobtot.conti?
...
> What can be wrong with parcelas.cobtot.conti ?
> I'd appreciate any help

Anything interesting coming out of 

str(parcelas.cobtot.conti)

?


-- 
   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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