> cut(as.Date("2008-09-12"), "days")
Error in 1:(1 + max(which(breaks < maxx))) :
  result would be too long a vector
In addition: Warning message:
In max(which(breaks < maxx)) :
  no non-missing arguments to max; returning -Inf
> cut(as.Date("2008-09-12"), "weeks")
[1] 2008-09-08
Levels: 2008-09-08
> cut(as.Date("2008-09-12"), "7 days")
Error in 1:(1 + max(which(breaks < maxx))) :
  result would be too long a vector
In addition: Warning message:
In max(which(breaks < maxx)) :
  no non-missing arguments to max; returning -Inf

Hadley

-- 
http://had.co.nz/

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