Table 3.

Linear regression parameters for maximum relative running speed on body mass, of separate taxonomic groups, estimated from ordinary least-squares regression (OLS) and reduced major axis regression (RMA)

Linear regression estimates of Vmax/Lb=log a+b log (Mb)
b
Data setNaOLSRMAr2S.E.E.
Perissodactyla7200.8-0.59** (-0.86, -0.32)-0.64** (-0.91, -0.37)0.8630.101
Artiodactyla3765.04-0.39*** (-0.47, -0.31)-0.46*** (-0.54, -0.37)0.7350.138
Carnivora2132.66-0.26*** (-0.38, -0.15)-0.36*** (-0.47, -0.24)0.5420.155
Rodentia5017.76-0.19*** (-0.26, -0.13)-0.29*** (-0.36, -0.23)0.4460.129
Lagomorpha837.06-0.05 (-0.26, 0.16)-0.23* (-0.43, -0.02)0.0550.050
Marsupialia1421.86-0.10* (-0.19, -0.01)-0.18*** (-0.27, -0.08)0.3200.158
  • Values are shown as means with 95% confidence limits given in parentheses.

    Values of scaling coefficient a were corrected following Sprugel (1983).

    S.E.E., standard error of estimates.

  • * P<0.05, **P<0.01, ***P<0.001.