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Table 3 Significance of regression coefficient of different methods used to estimate plant biomass from the plant area.

From: Accurate inference of shoot biomass from high-throughput images of cereal plants

Model Coefficient Coefficient value Std. Error t Sig.
Linear a0[g] -.043 .008 -5.517 .000
  a1[g/mm2] .003 .000 80.412 .000
Quadratic a0[g] -.046 .011 -3.989 .000
  a1[g/mm2] .003 .000 22.237 .000
  a2[g/mm4] -1.002E-7 .000 -.347 .729
Cubic a0[g] -.065 .015 -4.231 .000
  a1[g/mm2] .004 .000 11.123 .000
  a2[g/mm4] -3.153E-6 .000 -1.911 .057
  a3[g/mm6] 4.458E-9 .000 1.879 .061
Power a0[log(g)] 4.072E-4 .087 -89.243 .000
  a1[log(g)/log(mm2)] 1.348 .018 74.655 .000