Aaron,
While contemplating Nate's question, I wondered, doesn't hansen
currently support NA codings for missing variables for tip taxa?
Unfortunately the donotrun{} example for hansen() using geiger data
isn't currently functioning, so I couldn't test this.
-Dave Bapst
On Thu, Jun 4, 2015 at 10:46 AM, Aaron King <[email protected]> wrote:
> Interesting question, Nate. Do I understand you to say that you have data
> on some variables (and not others) at internal nodes? If so, what happens
> when you just add those to the data, with NA to indicate missing values?
> Have you tried this?
>
> A.
>
> On Thu, Jun 4, 2015 at 11:10 AM, Nathan Thompson <
> [email protected]> wrote:
>
>> Hi all,
>>
>> I am performing an multivariate analysis in ouch on a group of extant
>> species. I would ideally like to include information for fossil taxa in the
>> analysis, however, no single fossil taxon preserves all of the variables of
>> interest. However, I have performed univariate ancestral state
>> reconstructions (with fossils) and obtained estimates of the node values.
>>
>> Is there any way, in a multivariate ouch analysis, to 'constrain' nodes to
>> certain values based on this a priori knowledge of ancestral states?
>>
>> I realize the alternative would be to just run separate univariate OU
>> analyses for each variable (including fossils), but I would like to do this
>> in a multivariate framework.
>>
>> Thank you,
>>
>> Nathan E Thompson
>> Doctoral Candidate
>> Dept. of Anatomical Sciences
>> Stony Brook University
>> [email protected]
>>
>> [[alternative HTML version deleted]]
>>
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>
>
>
> --
> Aaron A. King, Ph.D.
> Ecology & Evolutionary Biology
> Mathematics
> Center for the Study of Complex Systems
> University of Michigan
> GPG Public Key: 0x15780975
>
> [[alternative HTML version deleted]]
>
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--
David W. Bapst, PhD
Adjunct Asst. Professor, Geology and Geol. Eng.
South Dakota School of Mines and Technology
501 E. St. Joseph
Rapid City, SD 57701
http://webpages.sdsmt.edu/~dbapst/
http://cran.r-project.org/web/packages/paleotree/index.html
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