`GTR_sym` — The GTR exchangability matrix

Usage

GTR_sym(sym: Map<String,Double>, a: a)
→ ExchangeModel<a>

Underlined names in default expressions refer to other arguments. A default beginning with ~ specifies a prior distribution.

sym:: Symmetric exchangability matrix; Default: ~SymmetricDirichletOn(letter_pairs(a),1)
a: Default: The alphabet in the current context

Original default expressions

sym

~SymmetricDirichletOn(letter_pairs(@a),1)

a

get_state(alphabet)

Symmetric exchangability matrix from GTR

Tavare, 1986