求助大神，帮忙拟合一下

nkkopd

163.25        509076
6 H( }, z. ^$ B4 C8 m' Z  \* M3 t214.86        214686
380.64        92372
430.58        60562
3 {5 ?' T$ Y# M$ y6 B; L483.12        44416
2 I- z1 @/ V$ M' d

Uifhjvv

帮你顶一下

kekek

如果第一列为自变量x，第二列为因变量y的话：
5 z/ w5 G5 q5 N2 R9 g, Z; Z
8 {8 C1 P' _( q9 p  Y; |9 D; Uy = p1*x/(p2+x)+p3*x+p4
) u8 v" |7 ~8 L6 h) l6 S# m: t% k% t
Root of Mean Square Error (RMSE): 2834.84313541232
. B& |" x! |5 e) Z4 b1 PSum of Squared Residual: 40181678.0119717
Correlation Coef. (R): 0.999865812438282
R-Square: 0.999731642882865
! k* r8 o# `2 c4 PAdjusted R-Square: 0.999463285765731
# b9 O! ~7 _( n1 ^$ x& m# [8 b% fDetermination Coef. (DC): 0.999731642882865
3 k' _+ L( z3 v9 jChi-Square: 318.753252216673
F-Statistic: 1241.7925953131
6 X( ]7 Q3 w$ T4 o5 w% C+ m
9 T! T1 g2 n; _+ }7 y2 `Parameter        Best Estimate
$ @; S( O( K2 j. o3 y/ D' o' L----------        -------------
p1        39354.7848082839
: |) c6 K& \. E7 X- d" }& R) Op2        -147.151786256721
p3        -389.288532747998
" j0 O+ @  E, N+ {0 D  gp4        173532.720018902

勇往直前11

公式及数据都有了，自己动动手没坏处