一元线性回归 excel

来源:百度知道 编辑:UC知道 时间:2024/04/24 02:11:30
y x
1989 16401.6
1990 19205.4
1991 24708.7
1992 33764.6
1993 47019.6
1994 62637.1
1995 78252.3
1996 92488.7
1997 109758.7
1998 127897
1999 146314.2
2000 173236
2001 201819.9
2002 240367.5
2003 306492.6

球y与x的关系,一元线性回归的,用excel怎么算啊?

我用origin给你拟合了一下,不是一次的,是二次的。以下是拟合结果:

[2006-6-12 09:15 "/Graph1" (2453898)]
Polynomial Regression for Data1_B:
Y = A + B1*X + B2*X^2

Parameter Value Error t-Value Prob>|t|
---------------------------------------------------------------------------
A 5.2404E9 6.04228E8 8.67289 <0.0001
B1 -5.2696E6 605440.63824 -8.70375 <0.0001
B2 1324.74716 151.66342 8.73478 <0.0001
---------------------------------------------------------------------------

R-Square(COD) Adj. R-Square Root-MSE(SD) N
---------------------------------------------------------------------------
0.98938 0.98761 9741.15285 15
---------------------------------------------------------------------------

Parameter LCI UCI
---------------------------------------------------------------------------
A 3.9239E9 6.5569E9
B1 -6.58874E6 -3.95046E6
B2 994.30092 1655.19339
--------------------------