[R] Problems with rbind

Dieter Menne dieter.menne at menne-biomed.de
Sat Nov 15 18:19:17 CET 2008




TU wrote:
> 
> A recent update on base packages on my R installation has introduced a 
> problem to my code which did not exist before the update. The offending 
> function is rbind, which fails where it was working just fine before the 
> update. 
> 
> I have two zoo objects, foo and bar, indexed by class Date. foo starts 
> from "2007-10-09" and bar from "2007-10-10". I attempt to pad bar with a 
> zero on Date "2007-10-09".
> 
> 

Your example works for me:

> library(zoo)
Attaching package: 'zoo'
        The following object(s) are masked from package:base :
         as.Date.numeric 

> 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
2007-10-09 2007-10-10 
         0          2 

> sessionInfo()
R version 2.8.0 (2008-10-20) 
i386-pc-mingw32 

locale:
LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252

attached base packages:
[1] stats     graphics  grDevices datasets  utils     methods   base     

other attached packages:
[1] zoo_1.5-4

loaded via a namespace (and not attached):
[1] grid_2.8.0      lattice_0.17-15 tools_2.8.0    
 

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