Re: [R] zoo: merging aggregated zoo-objects fails

2009-09-28 Thread Gabor Grothendieck
This looks like a problem in the chron package. Define: c.chron <- function(...) chron(do.call("c", lapply(list(...), unclass))) and then try it again. I will discuss it with the chron maintainer. On Mon, Sep 28, 2009 at 6:41 AM, gunnar.p wrote: > > Hello Gabor, > thanks for your reply. Pleas

Re: [R] zoo: merging aggregated zoo-objects fails

2009-09-28 Thread gunnar.p
Hello Gabor, thanks for your reply. Please excuse the insufficient description of my problem. I hope this one is better: #Importing my data works basically like this dts <- dates(c("19700201","19700201","19700201","19700202","19700202"),format="ymd") tms <- times(paste(c("21:00", "22:00", "23:00"

Re: [R] zoo: merging aggregated zoo-objects fails

2009-09-28 Thread gunnar.p
Hello Gabor, I just tried dput() and it seems that running aggregate deletes the following information from zoo objects: origin = structure(c(1, 1, 1970)) So before merging I added: chron(index(z),origin=c(1,1,1970))->index(z) which solves my problem. Is that behaviour of aggregate.zoo intended

Re: [R] zoo: merging aggregated zoo-objects fails

2009-09-27 Thread Gabor Grothendieck
Please read the last line to every message on r-help. In particular make it reproducible and minimal. The code you post should look like this where you have cut down DF1, DF2 and DF3 to the smallest number of rows that still exhibits the error. DF1 <- ...output from dput(DF1) DF2 <- ...outpu

[R] zoo: merging aggregated zoo-objects fails

2009-09-27 Thread gunnar.p
Dear all, I have several text files looking like this: 9063032 19700201 22:00 174.067 9063032 19700201 23:00 174.076 9063032 19700202 00:00 174.085 9063032 19700202 01:00 174.091 9063032 19700202 02:00 174.094 9063032 19700202 03:00 174.091 9063032 19700202 04:00 174.082 9063032 19