Re: [Rd] adding a built-in drop.levels option for subset() in 2.12 ?

2010-08-23 Thread peter dalgaard
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

[Rd] adding a built-in drop.levels option for subset() in 2.12 ?

2010-08-15 Thread Ben Bolker
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,