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Table 5 List of abbreviations used referring to evolutionary rate parameters

From: Binary-state speciation and extinction method is conditionally robust to realistic violations of its assumptions

Symbol Parameter type Associated character states “Real” (simulated) or estimated from BiSSE
λ0 Speciation rate Ancestral state Real
λ1 Speciation rate Derived state Real
μ0 Extinction rate Ancestral state Real
μ1 Extinction rate Derived state Real
q01 Transition rate Ancestral to derived Real
q10 Transition rate Derived to ancestral Real
\( \widehat{\uplambda} \) 0 Speciation rate Ancestral state Estimated from BiSSE
\( \widehat{\uplambda} \) 1 Speciation rate Derived state Estimated from BiSSE
\( \widehat{\upmu} \) 0 Extinction rate Ancestral state Estimated from BiSSE
\( \widehat{\upmu} \) 1 Extinction rate Derived state Estimated from BiSSE
\( \widehat{\mathrm{q}} \)01 Transition rate Ancestral to derived Estimated from BiSSE
\( \widehat{\mathrm{q}} \)10 Transition rate Derived to ancestral Estimated from BiSSE
  1. Parameters with the subscript 0 refer to rates associated with the ancestral state, those with the subscript 1 refer to the derived state, parameters with the hat symbol (^) are estimates made by BiSSE, while parameters with no hat symbol are the real values in the simulation