[R] seq(along= surprise

[Uwe Ligges]

Kjetil Halvorsen wrote:
> This surprised me:
> 
>> reps <- 100
>> sims <- list(length=reps)
>> sims
> $length
> [1] 100
> 
>> for(i in seq(along=sims))print(i)
> [1] 1
> 
> This is R 2.8.1.


What is surprising?

sims is now a list that contains 1 element called "length" with a 
numeric value of 100.
Then seq(along=sims) is exactly 1, because sims has length 1.
Hence i is printed once (1 iteration of the loop) and is 1 in the first 
(and only) iteration.

Uwe



> Kjetil
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.