Dick Repasky <drepasky at bio.indiana.edu> writes:
> The following used to work (0.62.1 the latest that I used), and now
> it doesn't (0.63.0):
>
>
> force <- vector(mode = "list", length = 1)
> names(force)[1] <- somename
>
> It returns the error:
> Error in "[<-"(NULL, 1) : object is not subsetable
>
>
> You might argue that this approach is unnecessary now that R allows
> subscripts that are out of range (e.g., force<-list();
force[["name"]] <- 42)
> but I changed a lot of code to work as above, and I really don't like
> the idea of reverting.
I don't think it's healthy to try and subset NULL... You could use
just
force <- vector(mode = "list", length = 1)
names(force) <- somename
or, for general length vectors,
force <- vector(mode = "list", length = k)
names(force) <- character(k)
for (i in 1:k)
names(force)[i]<- something.dependent.on(i)
--
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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