On 02/05/2011 01:31 PM, B. Jonathan B. Jonathan wrote:
Hi all, can somebody correct me where I was wrong in following set of codes? I have a list where each element is zoo object and I want to call a particular zoo object through some assigned name, as follows:library(zoo) List<- vector("list", length=2) names(List)<- LETTERS[1:2] List[[1]]<- zooreg(rnorm(10), start=as.Date("2000-01-01"), frequency=1) List[[2]]<- zooreg(rnorm(20), start=as.Date("2000-01-01"), frequency=11) #List namess<- "A" window(List$namess, start=as.Date("2000-01-01"),end=as.Date("2000-01-01")) Error in attr(x, "tsp")<- c(1, NROW(x), 1) : attempt to set an attribute on NULL
This is a general question that should have gone to R-help, not here. you don't have a slot called 'namess' You have a string called 'namess' So, List[[namess]] will work. Please direct non-finance-specific queries to R-help in the future. - Brian _______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-finance -- Subscriber-posting only. If you want to post, subscribe first. -- Also note that this is not the r-help list where general R questions should go.
