级别Grade

地价模型Land price model

R2

I

0.781

II

y = 0.3445 x 2 − 15.173 x + 1509.1

0.580

III

y = 3.8208 x 2 − 270.65 x + 5918.4

0.723

IV

y = 0.0423 x 2.887

0.625

V

y = 4.2652 x 2 − 180.29 x + 2320.7

0.946

全部All

y = 22.639 x 1.0702

0.882