文档介绍：多元回归分析与相关分析的实验报告
一．数据来源
数据来源于《中国统计年鉴2012》，数据类型是关于各地区限额以上批发业企业的主要财务 指标（2011年），即主营业务利润，主营业务收入，主营业务成本及主营业务税金及附加。为 方便分析，选择 =
Analysis of Variance
Sou -ce
D =
Sum of
Squares
Mean
Squa-e
=Value
P- > =
Model
1
545744g
5斗57449
Error
4
227563
56891
Corrected Total
5
5685012
Paramete-
Standard
Va-iable
zstimate
z--c-
Type II SS =
Value P- > =
Intercept
-
150-03379
inccune
5斗57449
&
Rrn i e rl v
nn r rtn rl li 1-1 rtn
n i imKp r ■ 1 1
Stepwise Selection: Step 2
Variable cost Entered: R-Square = 0-9999 日nd C(p) =
Analysis of Variance
Sou-ce
Dz
Sum of
Squa-es
Mean
Squa-e
z Value
P- > z
Model
2
56S468S
2842344
26375-3
<.0001
Error
3
Corrected Total
5
56S5O12
Model: MODE LI
Dependent Variable: profit
Stepwise Selection: Step 2
Variable
Pa-amete- zstimate
Standard
z--c-
Type II SS
=Value
P- > z
Intercept
-&49
15.^4
income
0-02044
262520
243&-O9
<.0001
cost
-
227240
2103-69
<0&01
Bounds on condition number: 17103
Stepwise Selection: Step 3
Variable tax Entered: R-Square = and C(p) =
Analysis of Variance
5ou-ce
D=
Sum of
Squares
Mean
Square
=Value
P- > =
Model
3
5685012