[R] dataframe behavior

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Thu May 3 23:50:50 CEST 2001


"Martin Henry H. Stevens" <hstevens at rci.rutgers.edu> writes:

> Windows98, Emacs20.7, ESS5.1.18
> 
> I recently constructing a data.frame "belle" that now does not spew its
> contents when I type the name on the command line (see errors below). It
> will only do so if I specify columns. Incidently, plot(belle) displays the
> pairs plot of all variables.
> 
> > belle
> Error in as.data.frame.default(x[[i]], optional = TRUE) :
>  can't coerce array into a data.frame
> > belle[,]
> Error in [.data.frame(belle, , ) : Argument "j" is missing, with no default
> > class(belle)
> [1] "data.frame"
> > belle[,1:3]
>    block plot trt
> 1      2   25   9
> 2      2   26  16
> 3      2   27   6
> ..........
> 
> Any idea what is going on?
> thanks

No, but you might get an idea by typing dput(belle) or unclass(belle)
or print.default(belle)

-- 
   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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