Dear John, That's most helpful. Thank you.
MK On Mar 8, 2012, at 9:03 PM, John Fox wrote: > Dear Michael and Spencer, > > I've modified the development version of the effects package on R-Forge so > that the nlme and lme4 packages are listed under "Suggests" rather than > "Depends". In this way, neither package is loaded along with effects. > > Best, > John > > On Thu, 8 Mar 2012 20:45:37 -0500 > Michael Kubovy <kub...@virginia.edu> wrote: >> Hi Spencer, >> >> In an Sweave script, which would take me too long to boil down to a >> reproducible example, lme4 was loaded before effects, and a calculation >> involving the effect() function failed. This was remedied by following >> John's advice and loading the two packages in the order he recommended at >> the beginning of the run. The problem went away. >> >> As far as I can tell, no such warning was issued, or at least none was >> noticed by me, because I'm caching many computations, which may hide >> warnings. >> >> MK >> >> On Mar 8, 2012, at 10:29 AM, Spencer Graves wrote: >> >>> Dear John, et al.: >>> >>> What happens if lme4 is loaded before the effect package? >>> >>> Is this an issue of a user wanting to use two different packages with >>> potentially conflicting names? What are the standard recommendations for >>> handling issues like this? Just to test my comprehension, I assume that >>> the key is that users should routinely watch for warnings of name conflicts >>> and follow the advice of sect. "1.6.1 Specifying imports and exports" of >>> "Writing R Extensions" when that occurs? (This is another reason for >>> writing R packages and using namespaces, so users can record appropriately >>> what they want in situations like this and not have to worry about name >>> conflicts later?) >>> >>> Thanks, >>> Spencer >>> >>> >>> On 3/8/2012 4:19 AM, Michael Kubovy wrote: >>>> Dear John, >>>> >>>> Thanks for the quick response. It works perfectly. >>>> >>>> Michael >>>> >>>> On Mar 7, 2012, at 9:19 PM, John Fox wrote: >>>> >>>>> Dear Michael, >>>>> >>>>> effect() works with lmer(). Just load lme4 after the effect package. See >>>>> the penultimate example in ?effect. >>>>> >>>>> I hope this helps, >>>>> John >>>>> >>>>> ------------------------------------------------ >>>>> John Fox >>>>> Sen. William McMaster Prof. of Social Statistics >>>>> Department of Sociology >>>>> McMaster University >>>>> Hamilton, Ontario, Canada >>>>> http://socserv.mcmaster.ca/jfox/ >>>>> >>>>> On Wed, 7 Mar 2012 20:53:20 -0500 >>>>> Michael Kubovy<kub...@virginia.edu> wrote: >>>>>> Hi, >>>>>> >>>>>> I would like to use the effect() function (actually a slightly modified >>>>>> version of it) on the output of the lmer() function in the lme4 package. >>>>>> But the effects package requires the nlme pacvkage, which is >>>>>> incompatible with lme4. Workaround? >>> >>> Spencer Graves, PE, PhD >>> President and Chief Technology Officer >>> Structure Inspection and Monitoring, Inc. >>> 751 Emerson Ct. >>> San José, CA 95126 >>> ph: 408-655-4567 >>> web: www.structuremonitoring.com ______________________________________________ Professor Michael Kubovy University of Virginia Department of Psychology for mail add: for FedEx or UPS add: P.O.Box 400400 Gilmer Hall, Room 102 Charlottesville, VA 22904-4400 485 McCormick Road USA Charlottesville, VA 22903 room phone Office: B011 +1-434-982-4729 Lab: B019 +1-434-982-4751 WWW: http://www.people.virginia.edu/~mk9y/ [[alternative HTML version deleted]]
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