Dear R-Gurus,
I have ended up with a calculation problem where I need to use brobs.
I have to work my way through a vector with a for loop to act on each
element in a calculation (refering to the previous
value in the new vector of results -- so as far as I know I can't use
"apply") -- this produces a list of brobs.
My problem is, how do I act on, plot this list, or do vector
calculations with the elements? From the other emails I have read there
does not
seem to be a means of indexing a range of elements from a list.
library(Brobdingnag)
t<-c(as.brob(5), as.brob(6), as.brob(7), as.brob(8), as.brob(10))
> t
[[1]]
[1] +exp(1.6094)
[[2]]
[1] +exp(1.7918)
[[3]]
[1] +exp(1.9459)
[[4]]
[1] +exp(2.0794)
[[5]]
[1] +exp(2.3026)
> t[2:4]
[[1]]
[1] +exp(1.7918)
[[2]]
[1] +exp(1.9459)
[[3]]
[1] +exp(2.0794)
So if you try plotting that against another variable:
xval<-c(1,2,3,4,5)
plot(t,xval)
you get nothing useful.
Does anyone have some suggestions as to how to make this list of brobs
more useful?
I thought cbind might help (cbind(t)) but that did not work.
Kind regards,
Matt Redding
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