I can access some but not all of the elements of a certain vector.
An example piece of data is here: http://speedy.sh/gQWQd/exampleR.Rdata (if someone got a better idea of how to store data I will be happy to change it)
#Load the example data:
    load( file="PATHNAME/Desktop/exampleR.Rdata" ) 
#Look at the data:
    data.frame( table( exampleVAR ) )
#This element can't be accessed:
which( exampleVAR=="Kort videregående uddannelse (op til 3 år – kræver forudgåen"  ) 
#However these elements can be accessed:
    which( exampleVAR=="Erhvervsfaglig uddannelse/faglært (f.eks. EUD, håndværksudda"  ) 
    which( exampleVAR=="Mellemlang videregående uddannelse (3-4 år)"  ) 
So the problem is:
Why can I access: "Erhvervsfaglig uddannelse/faglært (f.eks. EUD, håndværksudda" and "Mellemlang videregående uddannelse (3-4 år)"
when I can't access:
"Kort videregående uddannelse (op til 3 år – kræver forudgåen" ?
Sessioninfo:
sessionInfo() R version 3.0.2 (2013-09-25) Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=Danish_Denmark.1252  LC_CTYPE=Danish_Denmark.1252    LC_MONETARY=Danish_Denmark.1252 LC_NUMERIC=C                    LC_TIME=Danish_Denmark.1252    
attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base  
