On Aug 15, 2010, at 8:38 PM, Ben Bolker wrote:
With the approach of R 2.12.0:
with mild apologies for re-opening this perennial issue:
is there any hope, if appropriate patches are submitted, of adding a
drop.levels argument (with default equal to FALSE to preserve backward
With the approach of R 2.12.0:
with mild apologies for re-opening this perennial issue:
is there any hope, if appropriate patches are submitted, of adding a
drop.levels argument (with default equal to FALSE to preserve backward
compatibility/efficiency) to the subset function ... ?
If not,