Typo (my fingers type faster than my brain...) -------- Original Message -------- Subject: RE: [ccp4bb] Temp Fact Variance Analysis Date: Thu, 1 Mar 2012 14:56:06 +0000 From: Oganesyan, Vaheh <[log in to unmask]> To: Vellieux Frederic <[log in to unmask]> References: <[log in to unmask]> <[log in to unmask]> Fred, After deleting the difference density will be positive, IMHO. Vaheh