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Table 1 Models testing transitions between nectar presence (NP = 1) and nectar absence (NA = 0) across the Epidendrum phylogeny, using the Bayeasian Markov Chain Monte Carlo (MCMC) method, including the harmonic mean of log-likelihoods for MCMC analyses (lnL), the deviance of harmonic means between unrestricted and restricted models (Dev), the probability of NA-to-NP transitions (q01), the probability of NP-to-NA transitions (q10), the probability of NA at the root of the tree [Root P(0)] and the probability of NP at the root of the tree [Root P(1)]

From: Unidirectional transitions in nectar gain and loss suggest food deception is a stable evolutionary strategy in Epidendrum (Orchidaceae): insights from anatomical and molecular evidence

Model

lnL

Deva

q01

q10

Root P(0)

Root P(1)

MCMC unres.

−42.26

 

4.92

5.82

0.48

0.52

MCMC 01 = 0

−41.77

0.98

0.00

0.06

0.00

1.00

MCMC 10 = 0

−44.93

5.34

0.09

0.00

1.00

0.00

  1. The value in bold indicate the preferred modelaDecisions over models were taken following Raftery [61]: values > 2 indicate the more complex, unrestricted model should be favored, and values < 2 indicate the more simple, restricted model, should be preferred
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BMC Plant Biology

ISSN: 1471-2229

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