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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