产品研究
某科研院所,研究某产品,有三个因素对管控指标有影响,共采集三个因素对应管控指标的数据 85个样本,用回归分析做出数它们数学模型并做图。
数据如下:
第一维 第二维 第三维 关键指标 20
34
-2.9
66.9
20
56
-2.8
65.7
20
53
-2.8
65.2
10
52
-2.8
65.4
10
48
-2.8
66.7
10
47
-2.8
67.2
10
45
-2.8
71.4
10
45
-2.8
73.4
10
44
-2.8
72.4
50
42
-2.8
64
50
41
-2.8
61.5
50
37
-2.8
62
50
37
-2.8
63.5
50
32
-2.8
64.4
40
26
-2.8
65.2
40
28
-2.7 61.5
40
47
-2.6
60.7
40
44
-2.6
62.2
40
43
-2.6
59.7 30
41
-2.6
58
30
38
-2.6
59
30
37
-2.6
61.2
30 37
-2.6
63.5
30
36
-2.6
64.7
30
35
-2.6
65.4
20
34
-2.6
62.2
20
32
-2.6
60.5
20
31
-2.6
60.5
20
28
-2.6
59
20
22
-2.6
57.7
20
23
-2.5
57.7
10
35
-2.4
57.7
10
33
-2.4
59.5
10
32
-2.4
60.7
10
31
-2.4
63.2
10
30
-2.4
63.7
10
29
-2.4
66.7
50
28
-2.4
82.4
50
27
-2.4
83.4
50
27
-2.4
83.1
50
27
-2.4
83.4
50
25
-2.4
84.6
50
25
-2.4
86.3
50
22
-2.4
87.3
50
17
-2.4 88.6
50
16
-2.3
88.8
50
25
-2.2
89.8
40
24
-2.2
90.1 40
23
-2.2
89.3
40
22
-2.2
86.1
40
21
-2.2
88.1
40 20
-2.2
86.3
40
20
-2.2
84.9
40
20
-2.2
82.4
40
18
-2.2
81.6
40
16
-2.2
81.1
30
16
-2.2
81.1
30
14
-2.2
81.1
30
11
-2.2
82.1
30
19
-2.1
84.1
30
18
-2.1
86.8
30
17
-2.1
88.8
30
16
-2.1
89.8
30
15
-2.1
91.6
30
13
-2.1
89.1
30
11
-2.1
90.8
20
12
-2
90.1
20
12
-2
88.6
20
12
-2
90.3
20
12
-2
87.1
20
11
-2 86.3
20
11
-2
85.4
20
11
-2
84.1
20
10
-2
82.4 20
10
-2
81.1
20
9
-2
80.9
10
9
-2
81.4
10 9
-2
82.4
10
8
-2
85.4
10
9
-1.9
87.8
10
8
-1.9
89.6
10
8
-1.9
88.6
10
7
-1.9
89.6
10
6
-1.8
88.8
10
6
-1.8
88.6
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