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Table 1 Curve estimations of the distribution of individual frequency per rank for each age-sex category in the small group of chacma baboons

From: Group decision-making in chacma baboons: leadership, order and communication during movement

Category Function R2 F P equation
  Linear 0.19 2.19 0.172 y = -0.0175x + 0.1926
Adult male Parabolic 0.68 19.71 0.002 y = 0.0104x2 - 0.1429x + 0.4642
  Cubic 0.86 54.96 < 0.0001 y = -0.0025x 3 + 0.0547x 2 - 0.3648x + 0.7329
  Linear 0.03 0.279 0.610 y = -0.0079x + 0.4902
Adult females Parabolic 0.41 141.24 < 0.0001 y = 0.0101x 2 - 0.1294x + 0.7534
  Cubic 0.41 6.34 0.033 y = 3E-05x3 + 0.0096x2 - 0.1268x + 0.7503
  Linear 0.60 13.69 0.005 y = 0.0244x + 0.0303
Sub-adults Parabolic 0.61 14.09 0.005 y = 0.0009x2 + 0.0133x + 0.0544
  Cubic 0.82 39.43 0.0001 y = 0.0019x 3 - 0.034x 2 + 0.1885x - 0.1577
  Linear 0.01 0.03 0.868 y = 0.0035x + 0.2448
Juveniles Parabolic 0.88 71.02 < 0.0001 y = -0.021x 2 + 0.255x - 0.3001
  Cubic 0.88 68.09 < 0.0001 y = 9E-05x3 - 0.0226x2 + 0.2635x - 0.3103
  1. Results in bold indicate the best-fitting function explaining the distribution. R2 are adjusted according to the number of free parameters.