This section describes main characteristics of the autos data set and its attributes:
General information
Automobile Multi-class Imbalanced data set |
Type | Imbalanced | Origin | Real world |
Features | 25 | (Real / Integer / Nominal) | (15 / 0 / 10) |
Instances | 159 |
IR | 16 |
% Positive instances | 5.88 | % Negative instances | 94.12 | Missing values? | No |
Attribute description
Attribute | Domain | Attribute | Domain | Attribute | Domain |
normalized-losses | [65.0, 256.0] | length | [141.1, 202.6] | bore | [2.54, 3.94] |
make | {alfa-romero, audi, bmw, chevrolet, dodge, honda, isuzu, jaguar, mazda, mercedes-benz, mercury, mitsubishi, nissan, peugot, plymouth, porsche, renault, saab, subaru, toyota, volkswagen, volvo} | width | [60.3, 71.7] | stroke | [2.07, 4.17] |
fuel-type | {diesel, gas} | height | [49.4, 59.8] | compression-ratio | [7.0, 23.0] |
aspiration | {std, turbo} | curb-weight | [1488.0, 4066.0] | horsepower | [48.0, 200.0] |
num-of-doors | {four, two} | engine-type | {dohc, dohcv, l, ohc, ohcf, ohcv, rotor} | peak-rpm | [4150.0, 6600.0] |
body-style | {hardtop, wagon, sedan, hatchback, convertible} | num-of-cylinders | {eight, five, four, six, three, twelve, two} | city-mpg | [15.0, 49.0] |
drive-wheels | {4wd, fwd, rwd} | engine-size | [61.0, 258.0] | highway-mpg | [18.0, 54.0] |
engine-location | {front, rear} | fuel-system | {1bbl, 2bbl, 4bbl, idi, mfi, mpfi, spdi, spfi} | price | [5118.0, 35056.0] |
wheel-base | [86.6, 115.6] | symboling | {-2, -1, 0, 1, 2, 3} |
Additional information
An imbalanced version of the Automobile data set without missing values, where there are some classes with a small number of examples while other classes have a large number of examples.
In this section you can download some files related to the autos data set:
- The complete data set already formatted in KEEL format can be downloaded from
here
.
- A copy of the data set already partitioned by means of a 5-folds cross validation procedure can be downloaded from here
.
- The header file associated to this data set can be downloaded from here
.
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