Table 3.

Coefficient of parameters, determination and RMSE of the RNDVI dynamic model with RAGDD.

Simulated Models	Parameters				R2	RMSE
	a	b	c	d
$\mathrm{y}={\left(1+{\mathrm{e}}^{-\mathrm{a}\times \left(\mathrm{x}-\mathrm{b}\right)}\right)}^{-1}-{\left(1+{\mathrm{e}}^{-\mathrm{c}\times \left(\mathrm{x}-\mathrm{d}\right)}\right)}^{-1}$	15.2829	0.1944	11.6517	1.0267	0.8577	0.1161
$\mathrm{y}=\mathrm{a}+\mathrm{bx}+{\mathrm{cx}}^2+{\mathrm{dx}}^3$	–0.3796	5.7851	–7.4437	2.7004	0.8357	0.1357
$\mathrm{y}=\left(\mathrm{a}+\mathrm{bx}\right)/\left(\mathrm{cx}+{\mathrm{dx}}^2+1\right)$	–0.4319	5.3826	–0.3948	6.1176	0.8319	0.1373
$\mathrm{y}=\left(\mathrm{ab}+{\mathrm{cx}}^{\mathrm{d}}\right)/\left(\mathrm{b}+{\mathrm{x}}^{\mathrm{d}}\right)$	–0.1741	0.0010	0.8720	3.5469	0.7671	0.1616
$\mathrm{y}=\mathrm{a}/\left(1+{\mathrm{be}}^{-\mathrm{cx}}\right)$	0.8635	97.9447	27.3641	–	0.7549	0.1674

x is the RAGDD, y is RNDVI.