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Для Герасимова 2. Разработка модели потребительских предпочтений на основе данных рекомендательной сети epinions com
8 кластеров
Рисунок 0.59 – Диаграмма центра кластера 1 для случая 8 кластеров
[1] "Points: 570"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-3.1858 -0.4302 0.0755 0.4760 1.7841
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -0.60671 0.21263 -2.853 0.004484 **
durability 0.37359 0.04184 8.930 < 2e-16 ***
eou 0.14421 0.03682 3.917 0.000101 ***
battery 0.16029 0.03265 4.909 1.2e-06 ***
lag 0.11323 0.03840 2.949 0.003323 **
picture 0.36980 0.03569 10.362 < 2e-16 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.6731 on 564 degrees of freedom
(168 observations deleted due to missingness)
Multiple R-squared: 0.5247, Adjusted R-squared: 0.5205
F-statistic: 124.5 on 5 and 564 DF, p-value: < 2.2e-16
Рисунок 0.60 – Диаграмма центра кластера 2 для случая 8 кластеров
[1] "Points: 40"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-1.16972 -0.26856 0.01404 0.27425 1.19235
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -0.86938 0.63197 -1.376 0.17792
durability 0.08577 0.17231 0.498 0.62186
eou 0.41193 0.12679 3.249 0.00261 **
battery 0.12598 0.09435 1.335 0.19068
lag 0.18274 0.13852 1.319 0.19590
picture 0.48379 0.13094 3.695 0.00077 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.5952 on 34 degrees of freedom
(23 observations deleted due to missingness)
Multiple R-squared: 0.7609, Adjusted R-squared: 0.7257
F-statistic: 21.64 on 5 and 34 DF, p-value: 1.089e-09
Рисунок 0.61 – Диаграмма центра кластера 3 для случая 8 кластеров
[1] "Points: 25"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-0.7842 -0.1959 -0.1118 0.2477 0.7740
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -1.01914 0.91387 -1.115 0.27867
durability 0.30409 0.22244 1.367 0.18757
eou 0.36608 0.12718 2.878 0.00962 **
battery 0.02297 0.11708 0.196 0.84655
lag 0.29759 0.13671 2.177 0.04231 *
picture 0.29771 0.14020 2.123 0.04707 *
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.492 on 19 degrees of freedom
(13 observations deleted due to missingness)
Multiple R-squared: 0.791, Adjusted R-squared: 0.7359
F-statistic: 14.38 on 5 and 19 DF, p-value: 6.745e-06
Рисунок 0.62 – Диаграмма центра кластера 4 для случая 8 кластеров
[1] "Points: 39"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-0.9658 -0.2794 0.1084 0.2802 1.0627
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -0.05807 0.56269 -0.103 0.918424
durability 0.42974 0.12009 3.578 0.001094 **
eou 0.13446 0.09103 1.477 0.149148
battery 0.17830 0.08137 2.191 0.035607 *
lag -0.05086 0.09161 -0.555 0.582504
picture 0.32379 0.08656 3.741 0.000698 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.4684 on 33 degrees of freedom
(43 observations deleted due to missingness)
Multiple R-squared: 0.6863, Adjusted R-squared: 0.6388
F-statistic: 14.44 on 5 and 33 DF, p-value: 1.637e-07
Рисунок 0.63 – Диаграмма центра кластера 5 для случая 8 кластеров
[1] "Points: 70"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-2.06961 -0.38061 0.06946 0.31233 1.61269
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -1.17055 0.70352 -1.664 0.10103
durability 0.64218 0.14307 4.489 3.06e-05 ***
eou 0.02806 0.11106 0.253 0.80137
battery -0.02139 0.09939 -0.215 0.83030
lag 0.31732 0.11706 2.711 0.00861 **
picture 0.34085 0.13101 2.602 0.01151 *
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.7214 on 64 degrees of freedom
(29 observations deleted due to missingness)
Multiple R-squared: 0.5282, Adjusted R-squared: 0.4913
F-statistic: 14.33 on 5 and 64 DF, p-value: 2.094e-09
Рисунок 0.64 – Диаграмма центра кластера 6 для случая 8 кластеров
[1] "Points: 106"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-2.14954 -0.32726 0.09407 0.42889 1.35765
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -0.32878 0.34958 -0.940 0.349229
durability 0.43589 0.09458 4.609 1.2e-05 ***
eou 0.14313 0.07469 1.916 0.058196 .
battery 0.05846 0.07551 0.774 0.440589
lag 0.10391 0.08359 1.243 0.216737
picture 0.38290 0.09488 4.036 0.000107 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.6653 on 100 degrees of freedom
(39 observations deleted due to missingness)
Multiple R-squared: 0.6703, Adjusted R-squared: 0.6538
F-statistic: 40.66 on 5 and 100 DF, p-value: < 2.2e-16
Рисунок 0.65 – Диаграмма центра кластера 7 для случая 8 кластеров
[1] "Points: 130"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-1.85533 -0.45002 0.01019 0.40746 1.81921
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -1.04041 0.39972 -2.603 0.01037 *
durability 0.38647 0.08138 4.749 5.55e-06 ***
eou 0.25291 0.07411 3.412 0.00087 ***
battery 0.10722 0.06202 1.729 0.08634 .
lag 0.03408 0.07120 0.479 0.63304
picture 0.53073 0.07157 7.416 1.66e-11 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.6891 on 124 degrees of freedom
(65 observations deleted due to missingness)
Multiple R-squared: 0.6541, Adjusted R-squared: 0.6402
F-statistic: 46.9 on 5 and 124 DF, p-value: < 2.2e-16
Рисунок 0.66 – Диаграмма центра кластера 8 для случая 8 кластеров
[1] "Points: 279"
Call:
lm(formula = overall
durability + eou + battery + lag + picture,
data = x)
Residuals:
Min 1Q Median 3Q Max
-3.6285 -0.3824 0.0149 0.4702 1.6288
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -1.80384 0.29080 -6.203 2.04e-09 ***
durability 0.52136 0.05545 9.402 < 2e-16 ***
eou 0.31079 0.05641 5.509 8.34e-08 ***
battery 0.09281 0.03770 2.462 0.0144 *
lag 0.08965 0.05356 1.674 0.0953 .
picture 0.45504 0.05882 7.736 1.99e-13 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.6552 on 273 degrees of freedom
(94 observations deleted due to missingness)
Multiple R-squared: 0.6542, Adjusted R-squared: 0.6478
F-statistic: 103.3 on 5 and 273 DF, p-value: < 2.2e-16
Сравнение групповых предпочтений
Рисунок 0.67 – График предпочтений по автономной работе для 8 кластеров
Рисунок 0.68 – График предпочтений по надежности для 8 кластеров
Рисунок 0.69 – График предпочтений по простоте использования для 8 кластеров
Рисунок 0.70 – График предпочтений по скорости срабатывания для 8 кластеров
Рисунок 0.71 – График предпочтений по качеству снимка для 8 кластеров
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