Re: [R] Robust or Sandwich estimates in lmer2

2007-09-19 Thread Thomas Lumley
On Wed, 19 Sep 2007, Doran, Harold wrote: This has come up before and I'll again ask the question why would you want robust standard errors in lmer? And I'll again answer: using lmer() does not automatically guarantee correct model specification, either for the correlation structure or for

Re: [R] Robust or Sandwich estimates in lmer2

2007-09-19 Thread Abdus Sattar
Message From: Thomas Lumley [EMAIL PROTECTED] To: Doran, Harold [EMAIL PROTECTED] Cc: Sundar Dorai-Raj [EMAIL PROTECTED]; Abdus Sattar [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Wednesday, September 19, 2007 1:13:20 PM Subject: Re: [R] Robust or Sandwich estimates in lmer2