Dear R Users and maintainers of packages zoo and timeSeries,
I believe there is a recently introduced inconsistency between
timeSeries and zoo which is causing a problem with rbind. I had
previously reported that I was having problems with rbind in the
following code:
library(zoo)
foo<-zoo(1,order.by=as.Date("2007-10-09"))
bar<-zoo(2,order.by=as.Date("2007-10-10"))
bar <- rbind(zoo(0, order.by = index(foo)[1]), bar)
bar
Gabor Grothendieck and Dieter Menne tried this code and wrote back
saying it was working fine. I have also tried this in a fresh session
and it works fine if the only package I load is zoo. It appears that the
code fails if one simultaneously loads packages zoo and timeSeries
library(zoo)
library(timeSeries)
foo<-zoo(1,order.by=as.Date("2007-10-09"))
bar<-zoo(2,order.by=as.Date("2007-10-10"))
bar <- rbind(zoo(0, order.by = index(foo)[1]), bar)
bar
sessionInfo()
This leads to the error I had previously reported, please see below. I
am R 2.8.0, zoo 1.5-4 and timeSeries 280.78. I believe this is
potentially a bug: I was not getting this issue even though I have been
using zoo and timeSeries in the same session since the most recent
updates to these packages.
Is this a bug ? If so, can it be corrected somehow ?
Thanks in advance,
Tolga
> library(zoo)
Attaching package: 'zoo'
The following object(s) are masked from package:base :
as.Date.numeric
> library(timeSeries)
Loading required package: timeDate
Attaching package: 'timeSeries'
The following object(s) are masked from package:zoo :
time<-
> foo<-zoo(1,order.by=as.Date("2007-10-09"))
> bar<-zoo(2,order.by=as.Date("2007-10-10"))
> bar <- rbind(zoo(0, order.by = index(foo)[1]), bar)
Error in rep.int("", nrow(r)) : incorrect type for second argument
<<<<<<<<< ERROR
> bar
2007-10-10
2
> sessionInfo()
R version 2.8.0 (2008-10-20)
i386-pc-mingw32
locale:
LC_COLLATE=English_United Kingdom.1252;LC_CTYPE=English_United
Kingdom.1252;LC_MONETARY=English_United
Kingdom.1252;LC_NUMERIC=C;LC_TIME=English_United Kingdom.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] timeSeries_280.78 timeDate_280.80 zoo_1.5-4
loaded via a namespace (and not attached):
[1] grid_2.8.0 lattice_0.17-15
>
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