Dear Michael, I don't think this is mentioned in the zoo FAQ. May I ask where you read this? Some references ?
Thank you for your help, Ashim On Tue, Sep 27, 2011 at 4:06 PM, R. Michael Weylandt < michael.weyla...@gmail.com> wrote: > Yes, once made into a character zoo, the core data is marked to be of mode > "character" and most attempts to modify involve implicit coercion to that > mode. > > The following however works: > > library(zoo) > > z <- zoo(1:4, order.by=1:4) > str(z) > > z.Str <- z > coredata(z.Str) <- as.character(coredata(z)) > str(z.Str) > > z.Num <- z.Str > mode(z.Num) <- "numeric" > str(z.Num) > > However, I prefer to use this sort of line of code: > > z.Num <- zoo(as.double(z.Str), index(z.Str)) > > finding it a little more transparent. > > Hope this helps, > Michael Weylandt > > On Tue, Sep 27, 2011 at 5:56 AM, Ashim Kapoor <ashimkap...@gmail.com>wrote: > >> Dear R-helpers, >> >> It seems to me that a character zoo cannot be coerced to a numeric zoo. >> Below is a minimal example. Can someone tell me what I have done wrong? >> >> > z<-zoo(1:4,order.by=1:4) >> > coredata(z)<-as.character(coredata(z)) >> > str(z) >> zoo series from 1 to 4 >> Data: chr [1:4] "1" "2" "3" "4" >> Index: int [1:4] 1 2 3 4 >> > coredata(z)<-as.numeric(coredata(z)) >> > str(z) >> zoo series from 1 to 4 >> Data: chr [1:4] "1" "2" "3" "4" >> Index: int [1:4] 1 2 3 4 >> >> >> Many thanks, >> Ashim >> >> [[alternative HTML version deleted]] >> >> >> ______________________________________________ >> R-help@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. >> >> > [[alternative HTML version deleted]]
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