amkozlov / raxml-ng

RAxML Next Generation: faster, easier-to-use and more flexible
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+B gets added to model description #186

Closed wpfeiffer closed 3 months ago

wpfeiffer commented 4 months ago

Hi,

I specified GTR+F+G as my DNA model, but RAxML-NG reported the following:

Partition 0: Subset1 Model: GTR+FC+G4m+B

Why is there a +B? What causes this, and how can it be prevented?

Wayne

amkozlov commented 4 months ago

Hi Wayne,

+B stands for partition-specific branch length scaler in the proportional brlen mode (default). If that is not what you want, you can add --brlen linked to enforce identical brlens across partitions:

https://github.com/amkozlov/raxml-ng/wiki/Input-data#branch-length-linkage

wpfeiffer commented 4 months ago

Thanks for the prompt reply :)

On Jul 10, 2024, at 10:27 AM, Oleksiy Kozlov @.**@.>> wrote:

Hi Wayne,

+B stands for partition-specific branch length scaler in the proportional brlen mode (default). If that is not what you want, you can add --brlen linked to enforce identical brlens across partitions:

https://github.com/amkozlov/raxml-ng/wiki/Input-data#branch-length-linkagehttps://urldefense.com/v3/__https://github.com/amkozlov/raxml-ng/wiki/Input-data*branch-length-linkage__;Iw!!Mih3wA!HwlVGp5hdCqDtov-w-Oth8naYlkERArZJxCg1N_GnwzRqeCvEzUyxuSgFVd8cdgCYecNcMnzDnr7HiJCGrQtjzksfA$

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