[R] "Executing" a string
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Wed Oct 11 13:42:59 CEST 2000
Thomas Hoffmann <hoffmann at ehmgs2.et.tu-dresden.de> writes:
> In Matlab or Octave I can evaluate (evalf) the content of
> a string. In R I have looked around in the docs, but have not
> found a way to do something equivalent (which is possible, I think).
>
> Can anybody give me a pointer?
> eval(parse(text="2+2"))
[1] 4
Also check out substitute(), as.name() et al. for other methods of
manipulating expressions and function calls
--
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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