[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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