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Multi-optimum OU models #3

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richfitz opened this issue Apr 8, 2014 · 1 comment
Open

Multi-optimum OU models #3

richfitz opened this issue Apr 8, 2014 · 1 comment
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richfitz commented Apr 8, 2014

Issue by richfitz from Wednesday Sep 25, 2013 at 04:21 GMT
Originally opened as traitecoevo/modeladequacy#1

An issue that I have come across is that if we transform the phylogeny according to a multi-optimum OU model, will the unit tree still be ultrametric??
I am trying to figure this out b/c we look at the slope of the contrasts ~ branching.time, which might be messed up when using non-ultrametric trees as ape's branching.times() fxn returns negative values in this case. This statistic should still work but I may need to replace the branching.times fxn.
@richfitz richfitz added this to the Package release milestone Apr 8, 2014
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richfitz commented Apr 8, 2014

Comment by richfitz from Wednesday Sep 25, 2013 at 04:21 GMT

(Imported issue, originally created by @mwpennell)

@richfitz richfitz mentioned this issue Apr 8, 2014
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