
3. Вычисление характеристик матричным методом
МНОЖЕСТВЕННАЯ РЕГРЕССИЯ - МАТРИЧНЫЙ МЕТОД |
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Y |
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X |
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XTX |
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(XTX)-1 |
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XTY |
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a=(XTX)-1XTY |
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2.00 |
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1 |
2.00 |
2.00 |
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24 |
55.83 |
51.82 |
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54.989 |
12.148 |
-38.54 |
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52.9 |
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a0 |
0.04044 |
2.00 |
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1 |
2.03 |
2.02 |
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55.8 |
130.8 |
120.9 |
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12.148 |
5.4953 |
-11.548 |
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124 |
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a1 |
0.29257 |
2.05 |
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1 |
2.06 |
2.04 |
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51.8 |
120.9 |
112 |
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-38.54 |
-11.548 |
30.294 |
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114 |
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a2 |
0.68736 |
2.09 |
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1 |
2.09 |
2.07 |
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2.09 |
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1 |
2.12 |
2.09 |
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2.09 |
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1 |
2.14 |
2.15 |
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S2 |
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cov(a)= S2 (XTX)-1 |
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Отклонения |
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2.16 |
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1 |
2.17 |
2.10 |
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0.000835 |
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0.0459 |
0.0101 |
-0.0322 |
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S0 |
0.2143 |
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2.18 |
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1 |
2.21 |
2.12 |
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0.0101 |
0.0046 |
-0.0096 |
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S1 |
0.0677 |
2.18 |
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1 |
2.25 |
2.14 |
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-0.0322 |
-0.0096 |
0.0253 |
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S2 |
0.1590 |
2.10 |
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1 |
2.27 |
2.09 |
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2.19 |
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1 |
2.30 |
2.15 |
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2.20 |
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1 |
2.32 |
2.16 |
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2.18 |
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1 |
2.33 |
2.16 |
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2.25 |
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1 |
2.35 |
2.18 |
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2.26 |
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1 |
2.37 |
2.19 |
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2.23 |
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1 |
2.39 |
2.17 |
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2.28 |
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1 |
2.42 |
2.19 |
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2.35 |
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1 |
2.47 |
2.26 |
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2.36 |
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1 |
2.53 |
2.29 |
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2.35 |
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1 |
2.56 |
2.30 |
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2.34 |
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1 |
2.59 |
2.29 |
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2.36 |
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1 |
2.61 |
2.29 |
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2.25 |
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1 |
2.62 |
2.17 |
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2.38 |
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1 |
2.63 |
2.21 |
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XT |
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1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2.00 |
2.03 |
2.06 |
2.09 |
2.12 |
2.14 |
2.17 |
2.21 |
2.25 |
2.27 |
2.30 |
2.32 |
2.33 |
2.35 |
2.37 |
2.39 |
2.42 |
2.47 |
2.00 |
2.02 |
2.04 |
2.07 |
2.09 |
2.15 |
2.10 |
2.12 |
2.14 |
2.09 |
2.15 |
2.16 |
2.16 |
2.18 |
2.19 |
2.17 |
2.19 |
2.26 |