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					species                  facial mobility         log body mass         log number of males         log number of females
Ateles geoffroyi      ag         9         <0>        3.86       <0>          1.39           <0>
                      cn
Cercopithecus neglectus          7         <0>        3.62       <0>          0.00           <0>
Colobus guereza       cg         9         <0>        3.96       <0>          0.26           <0>
Gorilla gorilla       gg        13         <0>        4.85       <0>          0.59           <0>
Hylobates concolor    hc         8         <0>        3.88       <0>          0.00           <0>
Macaca silenus        ms        10         <0>        3.79       <0>          1.13           <0>
Pan troglodytes       pt        13         <0>        4.53       <0>          1.90           <0>
Papio hamadryas       ph        11         <0>        4.00       <0>          1.87           <0>
Saguinus oedipus      so         3         <0>        2.61       <0>          0.96           <0>
Trachypithecus obscurato         9         <0>        3.80       <0>          0.69           <0>
log number of females
        2.83          <0>
        0.64          <0>
        1.06          <0>
        1.48          <0>
        0.64          <0>
        1.96          <0>
        2.52          <0>
        2.10          <0>
        0.64          <0>
        1.95          <0>
Student's t-test (Orstein-Uhlenbeck)                       Likelihood ratio test (OU vs. BM)
predictor                 slope    error      t      p        lnL1       lnL2         LR
body mass                  4.35     0.39   11.15   0.000      3.73       4.37       1.28
number of males            0.94     0.37    2.54   0.052
number of females          0.24     0.37    0.65   0.545

Student's t-test (Brownian motion)
predictor                slope     error      t      p
body mass                 4.22     0.39    10.82   0.000
number of males           0.90     0.34     2.65   0.038
number of females         0.31     0.35     0.89   0.410
(OU vs. BM)
                p
              0.258

				
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