Molecular clocks and topologies

Mike Syvanen syvanen at
Tue Sep 19 14:24:08 EST 2000

Chris Conroy wrote:

>   Is it "fair" or statistically valid to sequentially remove
> outliers until the tree behaves in a clock-like manner?  I have seen
> this latter technique used, but was curious about what the general
> opinion is.

Do you have a reference for where this was done?  I believe it is valid to
remove taxa that disrupt the tree under certain circumstances, but it
certainly doesn't 'feel' like the right thing to do.

Mike Syvanen


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