[phylocom-user] lttr bug report

Cam Webb cwebb at oeb.harvard.edu
Thu Apr 1 20:12:58 PDT 2010

Dear Adam,

Thanks for that bug report.  You are correct about the re-initialization.

Fixed source code at:


You can build with `make' as per the manual.  We'll include the fix in 
subsequent release versions.  Let us know if you need a compiled version.



On Thu, 1 Apr 2010, Adam Richman wrote:

> The functions ltt and lttr in phylocom both return the percent lineages 
> through time, but do not return the same answers for the same data set.
> The problem is with lttr. The first sample is handled correctly (agrees with 
> ltt), but all successive samples are handled incorrectly.
> A work around then is to list each different sample first in the sample file. 
> The results for the first sample will be correct.
> Successive runs of lttr give different results (% lineages through time) for 
> the same data set (for other than the first sample). Because the code works 
> correctly for the first sample, but not for the others, I suppose the problem 
> must lie with re-initialization.
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