[R] Strange behavior using subset

[Ben Bolker]

James Milks <james.milks <at> wright.edu> writes:

> 
> When I then further select by species, (site.name1<-subset(site.name,  
> Species=c("species 1", "species 2", "species 4", "species 7",  
> "species 8"))), I get an error message:
> 
> 

  I think you probably want

site.name1<-subset(site.name,  
  Species %in% c("species 1", "species 2", "species 4", "species 7",  
     "species 8"))

  cheers
   Ben Bolker