| Discriminant analysis |
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| X-Variables: |
Size of Household |
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Income |
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Price |
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| Y-Variable: |
Type |
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Function |
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1 |
2 |
3 |
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| Eigenvalue |
1.561182651 |
0.170170271 |
0.016907811 |
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| Variance (percent) |
89.29918872 |
9.733689482 |
0.967121802 |
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| Percent cumulative |
89.29918872 |
99.0328782 |
100 |
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| Canonic correlation |
0.780740274 |
0.381344349 |
0.128944522 |
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| Wilks' Lambda |
0.328117055 |
0.840367709 |
0.98337331 |
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| Chi-Square |
74.66378553 |
11.65235416 |
1.123353133 |
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| Degrees of Freedom |
12 |
6 |
2 |
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| P |
4.25298E-11 |
0.07018919 |
0.570252197 |
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| Standardized coefficients of the discriminant functions |
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Function |
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1 |
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3 |
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| Size
of Household |
-0.777306667 |
0.389306049 |
1.256594306 |
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| Income |
0.354796709 |
0.62153566 |
-1.429693126 |
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| Price |
0.82941357 |
0.147058351 |
0.661136544 |
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| Non-standardized coefficients of the discriminant functions |
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Function |
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1 |
2 |
3 |
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| Size
of Household |
-0.395863139 |
0.198263981 |
0.639952528 |
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| Income |
3.5557E-05 |
6.2289E-05 |
-0.000143281 |
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| Price |
0.000208363 |
3.69435E-05 |
0.000166089 |
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| (Constant) |
-1.178541103 |
-2.81316474 |
0.522897595 |
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| Values of the discriminant functions at the group centroids |
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Function |
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1 |
2 |
3 |
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| camping van |
-0.208239744 |
0.537960956 |
0.442948478 |
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| pickup |
-0.481163621 |
0.135025342 |
0.126637847 |
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| sedan |
-0.128727821 |
-0.409000943 |
0.000214102 |
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| sports
car |
2.826302557 |
0.286546388 |
-0.053436813 |
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| station wagon |
-1.120352164 |
0.448809573 |
-0.111362907 |
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| Mahalanobis distances between the groups (upper right) |
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| and p-values of the
associated F-test (lower left) |
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camping
van |
pickup |
sedan |
sports
car |
station
wagon |
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| camping van |
---- |
0.580428262 |
1.048366688 |
3.085134457 |
1.07105469 |
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| pickup |
0.8528902 |
---- |
0.660423013 |
3.315828408 |
0.750777528 |
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| sedan |
0.291360027 |
0.54403493 |
---- |
3.036259054 |
1.315905449 |
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| sports
car |
5.62829E-05 |
6.99968E-07 |
2.83493E-10 |
---- |
3.950413682 |
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| station wagon |
0.31168981 |
0.487382765 |
0.000587202 |
6.14379E-13 |
---- |
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| Classification results: |
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| Prior
probabilites equal |
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Calculated |
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Actual
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camping
van |
pickup |
sedan |
sports
car |
station
wagon |
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| camping van |
4 |
3 |
0 |
0 |
0 |
1 |
| pickup |
6 |
0 |
1 |
0 |
2 |
3 |
| sedan |
34 |
9 |
1 |
21 |
0 |
3 |
| sports
car |
10 |
0 |
0 |
2 |
8 |
0 |
| station wagon |
18 |
0 |
1 |
6 |
0 |
11 |
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| 61.11% |
of the cases were classified correctly. |
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