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Data set description

We have already put 12 UCI data sets in the dataset folder. The description of these data sets are listed in the table below:

Dataset (Links) #Instances #Classes #Original Features #Binary Features
adult 32561 2 14 155
bank-marketing 45211 2 16 88
banknote 1372 2 4 17
blogger 100 2 5 15
chess 28056 18 6 40
connect-4 67557 3 42 126
letRecog 20000 26 16 155
magic04 19020 2 10 79
mushroom 8124 2 22 117
nursery 12960 5 8 27
tic-tac-toe 958 2 9 27
wine 178 3 13 37
For more information about these data sets, you can click the corresponding links.

Data set format

Each data set corresponds to two files, *.data and *.info. The *.data file stores the data for each instance. The *.info file stores the information for each feature.

*.data

One row in *.data corresponds to one instance and one column corresponds to one feature (including the class label).

For example, the adult.data:
37 Private 284582 Masters 14 Married-civ-spouse Exec-managerial Wife White Female 0 0 40 United-States <=50K
49 Private 160187 9th 5 Married-spouse-absent Other-service Not-in-family Black Female 0 0 16 Jamaica <=50K
52 Self-emp-not-inc 209642 HS-grad 9 Married-civ-spouse Exec-managerial Husband White Male 0 0 45 United-States >50K
31 Private 45781 Masters 14 Never-married Prof-specialty Not-in-family White Female 14084 0 50 United-States >50K
......

*.info

One row (except the last row) in *.info corresponds to one feature (including the class label). The order of these features must be the same as the columns in *.data. The first column is the feature name, and the second column indicates the characteristics of the feature, i.e., continuous or discrete. The last row does not correspond to one feature. It specifies the position of the class label column.

For example, the adult.info:
age continuous
workclass discrete
fnlwgt continuous
education discrete
education-num continuous
......
hours-per-week continuous
native-country discrete
class discrete
LABEL_POS -1

Add a new data set

You can run the demo on your own data sets by putting corresponding *.data and *.info file into the dataset folder. The formats of these two files are described above.