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gisette

gisette

active Sparse_ARFF Publicly available Visibility: public Uploaded 11-02-2018 by Joaquin Vanschoren
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Author: Isabelle Guyon, Steve Gunn, Asa Ben Hur, Gideon Dror Source: [LIBSVM](http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary.html) Please cite: GISETTE is a handwritten digit recognition problem. The problem is to separate the highly confusable digits '4' and '9'. This dataset is one of five datasets of the NIPS 2003 feature selection challenge. The digits have been size-normalized and centered in a fixed-size image of dimension 28x28. The original data were modified for the purpose of the feature selection challenge. In particular, pixels were samples at random in the middle top part of the feature containing the information necessary to disambiguate 4 from 9 and higher order features were created as products of these pixels to plunge the problem in a higher dimensional feature space. We also added a number of distractor features called 'probes' having no predictive power. The order of the features and patterns were randomized. Preprocessing: The data set is also available at UCI. Because the labels of testing set are not available, here we use the validation set (gisette_valid.data and gisette_valid.labels) as the testing set. The training data (gisette_train) are feature-wisely scaled to [-1,1]. Then the testing data (gisette_valid) are scaled based on the same scaling factors for the training data. Difference with version 1: the target feature is now binary, as it should be.

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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
att_2346numeric129 unique values
0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
att_3882numeric344 unique values
0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
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0 missing
att_1067numeric445 unique values
0 missing
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0 missing
att_1579numeric93 unique values
0 missing
att_1835numeric336 unique values
0 missing
att_2091numeric129 unique values
0 missing
att_2347numeric188 unique values
0 missing
att_2603numeric2 unique values
0 missing
att_2859numeric396 unique values
0 missing
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0 missing
att_3371numeric89 unique values
0 missing
att_3627numeric124 unique values
0 missing
att_3883numeric382 unique values
0 missing
att_4139numeric257 unique values
0 missing
att_4395numeric435 unique values
0 missing
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0 missing
att_4907numeric329 unique values
0 missing
att_44numeric317 unique values
0 missing
att_300numeric3 unique values
0 missing
att_556numeric161 unique values
0 missing
att_812numeric425 unique values
0 missing
att_1068numeric254 unique values
0 missing
att_1324numeric357 unique values
0 missing
att_1580numeric60 unique values
0 missing
att_1836numeric1 unique values
0 missing
att_2092numeric498 unique values
0 missing
att_2348numeric444 unique values
0 missing
att_2604numeric121 unique values
0 missing
att_2860numeric312 unique values
0 missing
att_3116numeric304 unique values
0 missing
att_3372numeric120 unique values
0 missing
att_3628numeric316 unique values
0 missing
att_3884numeric129 unique values
0 missing
att_4140numeric352 unique values
0 missing
att_4396numeric14 unique values
0 missing
att_4652numeric421 unique values
0 missing
att_4908numeric157 unique values
0 missing
att_45numeric443 unique values
0 missing
att_301numeric358 unique values
0 missing
att_557numeric211 unique values
0 missing
att_813numeric148 unique values
0 missing
att_1069numeric292 unique values
0 missing
att_1325numeric117 unique values
0 missing
att_1581numeric129 unique values
0 missing
att_1837numeric344 unique values
0 missing
att_2093numeric12 unique values
0 missing
att_2349numeric1 unique values
0 missing
att_2605numeric1 unique values
0 missing
att_2861numeric298 unique values
0 missing
att_3117numeric39 unique values
0 missing
att_3373numeric341 unique values
0 missing
att_3629numeric454 unique values
0 missing
att_3885numeric439 unique values
0 missing
att_4141numeric333 unique values
0 missing
att_4397numeric3 unique values
0 missing
att_4653numeric428 unique values
0 missing
att_4909numeric491 unique values
0 missing
att_46numeric250 unique values
0 missing
att_302numeric126 unique values
0 missing
att_558numeric129 unique values
0 missing
att_814numeric345 unique values
0 missing
att_1070numeric307 unique values
0 missing
att_1326numeric446 unique values
0 missing
att_1582numeric42 unique values
0 missing
att_1838numeric255 unique values
0 missing
att_2094numeric11 unique values
0 missing
att_2350numeric47 unique values
0 missing
att_2606numeric470 unique values
0 missing
att_2862numeric340 unique values
0 missing
att_3118numeric19 unique values
0 missing
att_3374numeric360 unique values
0 missing
att_3630numeric2 unique values
0 missing
att_3886numeric326 unique values
0 missing
att_4142numeric58 unique values
0 missing
att_4398numeric138 unique values
0 missing
att_4654numeric469 unique values
0 missing
att_4910numeric41 unique values
0 missing
att_47numeric285 unique values
0 missing
att_303numeric59 unique values
0 missing
att_559numeric406 unique values
0 missing
att_815numeric298 unique values
0 missing
att_1071numeric237 unique values
0 missing
att_1327numeric472 unique values
0 missing
att_1583numeric5 unique values
0 missing
att_1839numeric448 unique values
0 missing
att_2095numeric447 unique values
0 missing
att_2351numeric46 unique values
0 missing
att_2607numeric480 unique values
0 missing
att_2863numeric358 unique values
0 missing
att_3119numeric11 unique values
0 missing
att_3375numeric448 unique values
0 missing
att_3631numeric226 unique values
0 missing
att_3887numeric9 unique values
0 missing
att_4143numeric2 unique values
0 missing
att_4399numeric437 unique values
0 missing
att_4655numeric142 unique values
0 missing
att_4911numeric273 unique values
0 missing
att_48numeric38 unique values
0 missing
att_304numeric367 unique values
0 missing
att_560numeric385 unique values
0 missing
att_816numeric285 unique values
0 missing
att_1072numeric286 unique values
0 missing
att_1328numeric118 unique values
0 missing
att_1584numeric274 unique values
0 missing
att_1840numeric84 unique values
0 missing
att_2096numeric116 unique values
0 missing
att_2352numeric211 unique values
0 missing
att_2608numeric94 unique values
0 missing
att_2864numeric268 unique values
0 missing
att_3120numeric491 unique values
0 missing
att_3376numeric212 unique values
0 missing
att_3632numeric1 unique values
0 missing
att_3888numeric223 unique values
0 missing
att_4144numeric96 unique values
0 missing
att_4400numeric2 unique values
0 missing
att_4656numeric376 unique values
0 missing
att_4912numeric22 unique values
0 missing
att_49numeric246 unique values
0 missing
att_305numeric428 unique values
0 missing
att_561numeric336 unique values
0 missing
att_817numeric31 unique values
0 missing
att_1073numeric12 unique values
0 missing
att_1329numeric429 unique values
0 missing
att_1585numeric301 unique values
0 missing
att_1841numeric126 unique values
0 missing
att_2097numeric420 unique values
0 missing
att_2353numeric15 unique values
0 missing
att_2609numeric10 unique values
0 missing
att_2865numeric74 unique values
0 missing
att_3121numeric447 unique values
0 missing
att_3377numeric379 unique values
0 missing
att_3633numeric184 unique values
0 missing
att_3889numeric217 unique values
0 missing
att_4145numeric345 unique values
0 missing
att_4401numeric54 unique values
0 missing
att_4657numeric347 unique values
0 missing
att_4913numeric318 unique values
0 missing
att_50numeric455 unique values
0 missing
att_306numeric403 unique values
0 missing
att_562numeric112 unique values
0 missing
att_818numeric205 unique values
0 missing
att_1074numeric415 unique values
0 missing
att_1330numeric10 unique values
0 missing
att_1586numeric413 unique values
0 missing
att_1842numeric22 unique values
0 missing
att_2098numeric4 unique values
0 missing
att_2354numeric166 unique values
0 missing
att_2610numeric46 unique values
0 missing
att_2866numeric490 unique values
0 missing
att_3122numeric44 unique values
0 missing
att_3378numeric469 unique values
0 missing
att_3634numeric428 unique values
0 missing
att_3890numeric11 unique values
0 missing
att_4146numeric277 unique values
0 missing
att_4402numeric13 unique values
0 missing
att_4658numeric352 unique values
0 missing

62 properties

7000
Number of instances (rows) of the dataset.
5001
Number of attributes (columns) of the dataset.
2
Number of distinct values of the target attribute (if it is nominal).
0
Number of missing values in the dataset.
0
Number of instances with at least one value missing.
5000
Number of numeric attributes.
1
Number of nominal attributes.
1.64
First quartile of skewness among attributes of the numeric type.
-0.78
Mean of means among attributes of the numeric type.
0.19
First quartile of standard deviation of attributes of the numeric type.
0.49
Average class difference between consecutive instances.
Average mutual information between the nominal attributes and the target attribute.
Second quartile (Median) of entropy among attributes.
1
Entropy of the target attribute values.
An estimate of the amount of irrelevant information in the attributes regarding the class. Equals (MeanAttributeEntropy - MeanMutualInformation) divided by MeanMutualInformation.
10.23
Second quartile (Median) of kurtosis among attributes of the numeric type.
0.71
Number of attributes divided by the number of instances.
2
Average number of distinct values among the attributes of the nominal type.
-0.88
Second quartile (Median) of means among attributes of the numeric type.
Number of attributes needed to optimally describe the class (under the assumption of independence among attributes). Equals ClassEntropy divided by MeanMutualInformation.
8.97
Mean skewness among attributes of the numeric type.
Second quartile (Median) of mutual information between the nominal attributes and the target attribute.
50
Percentage of instances belonging to the most frequent class.
0.43
Mean standard deviation of attributes of the numeric type.
3.42
Second quartile (Median) of skewness among attributes of the numeric type.
3500
Number of instances belonging to the most frequent class.
Minimal entropy among attributes.
0.02
Percentage of binary attributes.
0.42
Second quartile (Median) of standard deviation of attributes of the numeric type.
Maximum entropy among attributes.
-1.9
Minimum kurtosis among attributes of the numeric type.
0
Percentage of instances having missing values.
Third quartile of entropy among attributes.
7000
Maximum kurtosis among attributes of the numeric type.
-1
Minimum of means among attributes of the numeric type.
0
Percentage of missing values.
73.29
Third quartile of kurtosis among attributes of the numeric type.
0.6
Maximum of means among attributes of the numeric type.
Minimal mutual information between the nominal attributes and the target attribute.
99.98
Percentage of numeric attributes.
-0.66
Third quartile of means among attributes of the numeric type.
Maximum mutual information between the nominal attributes and the target attribute.
2
The minimal number of distinct values among attributes of the nominal type.
0.02
Percentage of nominal attributes.
Third quartile of mutual information between the nominal attributes and the target attribute.
2
The maximum number of distinct values among attributes of the nominal type.
-2.04
Minimum skewness among attributes of the numeric type.
First quartile of entropy among attributes.
8.48
Third quartile of skewness among attributes of the numeric type.
83.67
Maximum skewness among attributes of the numeric type.
0
Minimum standard deviation of attributes of the numeric type.
1.01
First quartile of kurtosis among attributes of the numeric type.
0.67
Third quartile of standard deviation of attributes of the numeric type.
0.93
Maximum standard deviation of attributes of the numeric type.
50
Percentage of instances belonging to the least frequent class.
3500
Number of instances belonging to the least frequent class.
-0.98
First quartile of means among attributes of the numeric type.
0
Standard deviation of the number of distinct values among attributes of the nominal type.
Average entropy of the attributes.
1
Number of binary attributes.
First quartile of mutual information between the nominal attributes and the target attribute.
300.89
Mean kurtosis among attributes of the numeric type.

8 tasks

466 runs - estimation_procedure: 10-fold Crossvalidation - evaluation_measure: area_under_roc_curve - target_feature: class
0 runs - estimation_procedure: 10-fold Learning Curve - target_feature: class
0 runs - estimation_procedure: 10-fold Learning Curve - target_feature: class
0 runs - estimation_procedure: 10-fold Learning Curve - target_feature: class
0 runs - estimation_procedure: 10-fold Learning Curve - target_feature: class
0 runs - estimation_procedure: 10-fold Learning Curve - target_feature: class
0 runs - estimation_procedure: Interleaved Test then Train - target_feature: class
0 runs - estimation_procedure: 50 times Clustering
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