Data
news20

news20

active Sparse_ARFF Publicly available Visibility: public Uploaded 18-06-2015 by Farooq Zuberi
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Author: Ken Lang Source: [original](http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/multiclass.html) - Date unknown Please cite: Ken Lang. Newsweeder: Learning to filter netnews. In Proceedings of the Twelfth International Conference on Machine Learning, pages 331-339, 1995. #Dataset from the LIBSVM data repository. Preprocessing: First 80/20 training/testing split. Also see http://qwone.com/~jason/20Newsgroups/

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att_21507numeric4 unique values
0 missing
att_21763numeric2 unique values
0 missing
att_22019numeric4 unique values
0 missing
att_22275numeric2 unique values
0 missing
att_22531numeric3 unique values
0 missing
att_22787numeric2 unique values
0 missing
att_23043numeric3 unique values
0 missing
att_23299numeric4 unique values
0 missing
att_23555numeric2 unique values
0 missing
att_23811numeric4 unique values
0 missing
att_24067numeric3 unique values
0 missing
att_24323numeric2 unique values
0 missing
att_24579numeric2 unique values
0 missing
att_24835numeric2 unique values
0 missing
att_25091numeric2 unique values
0 missing
att_25347numeric3 unique values
0 missing
att_25603numeric2 unique values
0 missing
att_25859numeric2 unique values
0 missing
att_26115numeric3 unique values
0 missing
att_26371numeric2 unique values
0 missing
att_26627numeric3 unique values
0 missing
att_26883numeric2 unique values
0 missing
att_27139numeric2 unique values
0 missing
att_27395numeric2 unique values
0 missing
att_27651numeric2 unique values
0 missing
att_27907numeric2 unique values
0 missing
att_28163numeric2 unique values
0 missing
att_28419numeric2 unique values
0 missing
att_28675numeric2 unique values
0 missing
att_28931numeric2 unique values
0 missing
att_29187numeric6 unique values
0 missing
att_29443numeric5 unique values
0 missing
att_29699numeric2 unique values
0 missing
att_29955numeric2 unique values
0 missing
att_30211numeric3 unique values
0 missing
att_30467numeric2 unique values
0 missing
att_30723numeric3 unique values
0 missing
att_30979numeric2 unique values
0 missing
att_31235numeric2 unique values
0 missing
att_31491numeric2 unique values
0 missing
att_31747numeric3 unique values
0 missing
att_32003numeric2 unique values
0 missing
att_32259numeric2 unique values
0 missing
att_32515numeric2 unique values
0 missing
att_32771numeric2 unique values
0 missing
att_33027numeric2 unique values
0 missing
att_33283numeric4 unique values
0 missing
att_33539numeric16 unique values
0 missing
att_33795numeric2 unique values
0 missing
att_34051numeric2 unique values
0 missing
att_34307numeric2 unique values
0 missing
att_34563numeric2 unique values
0 missing
att_34819numeric2 unique values
0 missing
att_35075numeric2 unique values
0 missing
att_35331numeric3 unique values
0 missing
att_35587numeric2 unique values
0 missing
att_35843numeric7 unique values
0 missing
att_36099numeric4 unique values
0 missing
att_36355numeric5 unique values
0 missing
att_36611numeric3 unique values
0 missing
att_36867numeric2 unique values
0 missing
att_37123numeric3 unique values
0 missing
att_37379numeric2 unique values
0 missing
att_37635numeric2 unique values
0 missing
att_37891numeric2 unique values
0 missing
att_38147numeric2 unique values
0 missing
att_38403numeric2 unique values
0 missing
att_38659numeric3 unique values
0 missing
att_38915numeric3 unique values
0 missing
att_39171numeric2 unique values
0 missing
att_39427numeric2 unique values
0 missing
att_39683numeric2 unique values
0 missing
att_39939numeric2 unique values
0 missing
att_40195numeric2 unique values
0 missing
att_40451numeric3 unique values
0 missing
att_40707numeric2 unique values
0 missing
att_40963numeric3 unique values
0 missing
att_41219numeric3 unique values
0 missing
att_41475numeric3 unique values
0 missing
att_41731numeric3 unique values
0 missing
att_41987numeric2 unique values
0 missing
att_42243numeric2 unique values
0 missing
att_42499numeric2 unique values
0 missing
att_42755numeric2 unique values
0 missing
att_43011numeric2 unique values
0 missing
att_43267numeric2 unique values
0 missing
att_43523numeric2 unique values
0 missing
att_43779numeric3 unique values
0 missing
att_44035numeric2 unique values
0 missing
att_44291numeric2 unique values
0 missing
att_44547numeric2 unique values
0 missing
att_44803numeric2 unique values
0 missing
att_45059numeric4 unique values
0 missing
att_45315numeric2 unique values
0 missing
att_45571numeric3 unique values
0 missing
att_45827numeric2 unique values
0 missing
att_46083numeric2 unique values
0 missing
att_46339numeric2 unique values
0 missing
att_46595numeric3 unique values
0 missing
att_46851numeric2 unique values
0 missing
att_47107numeric2 unique values
0 missing
att_47363numeric2 unique values
0 missing
att_47619numeric2 unique values
0 missing
att_47875numeric2 unique values
0 missing
att_48131numeric3 unique values
0 missing
att_48387numeric2 unique values
0 missing
att_48643numeric2 unique values
0 missing
att_48899numeric2 unique values
0 missing
att_49155numeric3 unique values
0 missing
att_49411numeric2 unique values
0 missing
att_49667numeric3 unique values
0 missing
att_49923numeric2 unique values
0 missing
att_50179numeric3 unique values
0 missing
att_50435numeric3 unique values
0 missing
att_50691numeric2 unique values
0 missing
att_50947numeric3 unique values
0 missing
att_51203numeric4 unique values
0 missing
att_51459numeric2 unique values
0 missing
att_51715numeric2 unique values
0 missing
att_51971numeric3 unique values
0 missing
att_52227numeric2 unique values
0 missing
att_52483numeric2 unique values
0 missing
att_52739numeric2 unique values
0 missing
att_52995numeric2 unique values
0 missing
att_53251numeric2 unique values
0 missing
att_53507numeric2 unique values
0 missing
att_53763numeric2 unique values
0 missing
att_54019numeric3 unique values
0 missing
att_54275numeric3 unique values
0 missing
att_54531numeric2 unique values
0 missing
att_54787numeric3 unique values
0 missing
att_55043numeric2 unique values
0 missing
att_55299numeric2 unique values
0 missing
att_55555numeric2 unique values
0 missing
att_55811numeric2 unique values
0 missing
att_56067numeric3 unique values
0 missing
att_56323numeric2 unique values
0 missing
att_56579numeric2 unique values
0 missing
att_56835numeric2 unique values
0 missing
att_57091numeric2 unique values
0 missing
att_57347numeric3 unique values
0 missing
att_57603numeric2 unique values
0 missing
att_57859numeric2 unique values
0 missing
att_58115numeric2 unique values
0 missing
att_58371numeric3 unique values
0 missing
att_58627numeric3 unique values
0 missing
att_58883numeric3 unique values
0 missing
att_59139numeric3 unique values
0 missing
att_59395numeric2 unique values
0 missing
att_59651numeric2 unique values
0 missing
att_59907numeric2 unique values
0 missing
att_60163numeric3 unique values
0 missing
att_60419numeric2 unique values
0 missing
att_60675numeric2 unique values
0 missing
att_60931numeric2 unique values
0 missing
att_61187numeric2 unique values
0 missing
att_61443numeric2 unique values
0 missing
att_61699numeric2 unique values
0 missing
att_61955numeric2 unique values
0 missing
att_4numeric8 unique values
0 missing
att_260numeric4 unique values
0 missing
att_516numeric6 unique values
0 missing
att_772numeric13 unique values
0 missing
att_1028numeric3 unique values
0 missing
att_1284numeric5 unique values
0 missing
att_1540numeric5 unique values
0 missing
att_1796numeric5 unique values
0 missing
att_2052numeric5 unique values
0 missing
att_2308numeric2 unique values
0 missing
att_2564numeric4 unique values
0 missing
att_2820numeric5 unique values
0 missing
att_3076numeric3 unique values
0 missing
att_3332numeric2 unique values
0 missing
att_3588numeric9 unique values
0 missing
att_3844numeric3 unique values
0 missing
att_4100numeric12 unique values
0 missing
att_4356numeric4 unique values
0 missing
att_4612numeric2 unique values
0 missing
att_4868numeric4 unique values
0 missing
att_5124numeric4 unique values
0 missing
att_5380numeric6 unique values
0 missing
att_5636numeric5 unique values
0 missing
att_5892numeric2 unique values
0 missing
att_6148numeric2 unique values
0 missing
att_6404numeric4 unique values
0 missing
att_6660numeric2 unique values
0 missing
att_6916numeric2 unique values
0 missing
att_7172numeric2 unique values
0 missing
att_7428numeric3 unique values
0 missing
att_7684numeric4 unique values
0 missing
att_7940numeric4 unique values
0 missing
att_8196numeric2 unique values
0 missing
att_8452numeric2 unique values
0 missing
att_8708numeric6 unique values
0 missing
att_8964numeric7 unique values
0 missing
att_9220numeric2 unique values
0 missing
att_9476numeric2 unique values
0 missing
att_9732numeric5 unique values
0 missing
att_9988numeric8 unique values
0 missing
att_10244numeric8 unique values
0 missing
att_10500numeric4 unique values
0 missing
att_10756numeric2 unique values
0 missing
att_11012numeric2 unique values
0 missing
att_11268numeric2 unique values
0 missing
att_11524numeric4 unique values
0 missing
att_11780numeric5 unique values
0 missing
att_12036numeric2 unique values
0 missing
att_12292numeric6 unique values
0 missing
att_12548numeric3 unique values
0 missing
att_12804numeric2 unique values
0 missing
att_13060numeric2 unique values
0 missing
att_13316numeric4 unique values
0 missing
att_13572numeric2 unique values
0 missing
att_13828numeric5 unique values
0 missing
att_14084numeric2 unique values
0 missing
att_14340numeric3 unique values
0 missing
att_14596numeric3 unique values
0 missing
att_14852numeric2 unique values
0 missing
att_15108numeric3 unique values
0 missing
att_15364numeric2 unique values
0 missing
att_15620numeric2 unique values
0 missing
att_15876numeric3 unique values
0 missing
att_16132numeric2 unique values
0 missing
att_16388numeric2 unique values
0 missing
att_16644numeric6 unique values
0 missing
att_16900numeric2 unique values
0 missing
att_17156numeric3 unique values
0 missing
att_17412numeric2 unique values
0 missing
att_17668numeric2 unique values
0 missing
att_17924numeric5 unique values
0 missing
att_18180numeric2 unique values
0 missing
att_18436numeric3 unique values
0 missing
att_18692numeric2 unique values
0 missing
att_18948numeric3 unique values
0 missing
att_19204numeric2 unique values
0 missing
att_19460numeric2 unique values
0 missing
att_19716numeric5 unique values
0 missing
att_19972numeric2 unique values
0 missing
att_20228numeric3 unique values
0 missing
att_20484numeric2 unique values
0 missing
att_20740numeric3 unique values
0 missing
att_20996numeric4 unique values
0 missing
att_21252numeric2 unique values
0 missing
att_21508numeric4 unique values
0 missing
att_21764numeric3 unique values
0 missing
att_22020numeric2 unique values
0 missing
att_22276numeric3 unique values
0 missing
att_22532numeric2 unique values
0 missing
att_22788numeric2 unique values
0 missing
att_23044numeric2 unique values
0 missing
att_23300numeric2 unique values
0 missing
att_23556numeric5 unique values
0 missing
att_23812numeric2 unique values
0 missing
att_24068numeric3 unique values
0 missing
att_24324numeric3 unique values
0 missing
att_24580numeric2 unique values
0 missing
att_24836numeric3 unique values
0 missing
att_25092numeric2 unique values
0 missing
att_25348numeric2 unique values
0 missing
att_25604numeric3 unique values
0 missing
att_25860numeric2 unique values
0 missing
att_26116numeric2 unique values
0 missing
att_26372numeric3 unique values
0 missing
att_26628numeric2 unique values
0 missing
att_26884numeric4 unique values
0 missing
att_27140numeric4 unique values
0 missing
att_27396numeric3 unique values
0 missing
att_27652numeric2 unique values
0 missing
att_27908numeric2 unique values
0 missing
att_28164numeric2 unique values
0 missing
att_28420numeric2 unique values
0 missing
att_28676numeric2 unique values
0 missing
att_28932numeric2 unique values
0 missing
att_29188numeric2 unique values
0 missing
att_29444numeric2 unique values
0 missing
att_29700numeric3 unique values
0 missing
att_29956numeric2 unique values
0 missing
att_30212numeric7 unique values
0 missing
att_30468numeric2 unique values
0 missing
att_30724numeric2 unique values
0 missing
att_30980numeric4 unique values
0 missing
att_31236numeric4 unique values
0 missing
att_31492numeric2 unique values
0 missing
att_31748numeric2 unique values
0 missing
att_32004numeric3 unique values
0 missing
att_32260numeric2 unique values
0 missing
att_32516numeric2 unique values
0 missing
att_32772numeric2 unique values
0 missing
att_33028numeric3 unique values
0 missing
att_33284numeric3 unique values
0 missing
att_33540numeric2 unique values
0 missing
att_33796numeric3 unique values
0 missing
att_34052numeric3 unique values
0 missing
att_34308numeric7 unique values
0 missing
att_34564numeric2 unique values
0 missing
att_34820numeric2 unique values
0 missing
att_35076numeric2 unique values
0 missing
att_35332numeric2 unique values
0 missing
att_35588numeric2 unique values
0 missing
att_35844numeric2 unique values
0 missing
att_36100numeric2 unique values
0 missing
att_36356numeric2 unique values
0 missing
att_36612numeric2 unique values
0 missing
att_36868numeric2 unique values
0 missing
att_37124numeric2 unique values
0 missing
att_37380numeric3 unique values
0 missing
att_37636numeric2 unique values
0 missing
att_37892numeric3 unique values
0 missing
att_38148numeric4 unique values
0 missing
att_38404numeric2 unique values
0 missing
att_38660numeric3 unique values
0 missing
att_38916numeric2 unique values
0 missing
att_39172numeric2 unique values
0 missing
att_39428numeric3 unique values
0 missing
att_39684numeric2 unique values
0 missing
att_39940numeric3 unique values
0 missing
att_40196numeric3 unique values
0 missing
att_40452numeric3 unique values
0 missing
att_40708numeric2 unique values
0 missing
att_40964numeric2 unique values
0 missing
att_41220numeric2 unique values
0 missing
att_41476numeric2 unique values
0 missing
att_41732numeric3 unique values
0 missing
att_41988numeric2 unique values
0 missing
att_42244numeric2 unique values
0 missing
att_42500numeric3 unique values
0 missing
att_42756numeric3 unique values
0 missing
att_43012numeric2 unique values
0 missing
att_43268numeric2 unique values
0 missing
att_43524numeric2 unique values
0 missing
att_43780numeric3 unique values
0 missing
att_44036numeric3 unique values
0 missing
att_44292numeric2 unique values
0 missing
att_44548numeric2 unique values
0 missing
att_44804numeric2 unique values
0 missing
att_45060numeric4 unique values
0 missing
att_45316numeric2 unique values
0 missing
att_45572numeric4 unique values
0 missing
att_45828numeric2 unique values
0 missing
att_46084numeric2 unique values
0 missing
att_46340numeric2 unique values
0 missing
att_46596numeric3 unique values
0 missing
att_46852numeric3 unique values
0 missing
att_47108numeric2 unique values
0 missing
att_47364numeric2 unique values
0 missing
att_47620numeric2 unique values
0 missing
att_47876numeric2 unique values
0 missing
att_48132numeric2 unique values
0 missing
att_48388numeric2 unique values
0 missing
att_48644numeric2 unique values
0 missing
att_48900numeric2 unique values
0 missing
att_49156numeric4 unique values
0 missing
att_49412numeric2 unique values
0 missing
att_49668numeric2 unique values
0 missing
att_49924numeric3 unique values
0 missing
att_50180numeric2 unique values
0 missing
att_50436numeric3 unique values
0 missing
att_50692numeric2 unique values
0 missing
att_50948numeric2 unique values
0 missing
att_51204numeric2 unique values
0 missing
att_51460numeric2 unique values
0 missing
att_51716numeric2 unique values
0 missing
att_51972numeric2 unique values
0 missing
att_52228numeric2 unique values
0 missing
att_52484numeric2 unique values
0 missing
att_52740numeric2 unique values
0 missing
att_52996numeric2 unique values
0 missing
att_53252numeric3 unique values
0 missing
att_53508numeric2 unique values
0 missing
att_53764numeric3 unique values
0 missing
att_54020numeric3 unique values
0 missing
att_54276numeric3 unique values
0 missing
att_54532numeric2 unique values
0 missing
att_54788numeric3 unique values
0 missing
att_55044numeric2 unique values
0 missing
att_55300numeric2 unique values
0 missing
att_55556numeric2 unique values
0 missing
att_55812numeric2 unique values
0 missing
att_56068numeric2 unique values
0 missing
att_56324numeric2 unique values
0 missing
att_56580numeric2 unique values
0 missing
att_56836numeric4 unique values
0 missing
att_57092numeric3 unique values
0 missing
att_57348numeric2 unique values
0 missing
att_57604numeric2 unique values
0 missing
att_57860numeric2 unique values
0 missing
att_58116numeric2 unique values
0 missing
att_58372numeric3 unique values
0 missing
att_58628numeric2 unique values
0 missing
att_58884numeric2 unique values
0 missing
att_59140numeric2 unique values
0 missing
att_59396numeric2 unique values
0 missing
att_59652numeric2 unique values
0 missing
att_59908numeric2 unique values
0 missing
att_60164numeric2 unique values
0 missing
att_60420numeric2 unique values
0 missing
att_60676numeric3 unique values
0 missing
att_60932numeric2 unique values
0 missing
att_61188numeric2 unique values
0 missing
att_61444numeric2 unique values
0 missing
att_61700numeric2 unique values
0 missing
att_61956numeric2 unique values
0 missing
att_5numeric3 unique values
0 missing
att_261numeric5 unique values
0 missing
att_517numeric3 unique values
0 missing
att_773numeric2 unique values
0 missing
att_1029numeric3 unique values
0 missing
att_1285numeric2 unique values
0 missing
att_1541numeric7 unique values
0 missing
att_1797numeric3 unique values
0 missing
att_2053numeric6 unique values
0 missing
att_2309numeric4 unique values
0 missing
att_2565numeric3 unique values
0 missing
att_2821numeric4 unique values
0 missing
att_3077numeric3 unique values
0 missing
att_3333numeric2 unique values
0 missing
att_3589numeric2 unique values
0 missing
att_3845numeric2 unique values
0 missing
att_4101numeric4 unique values
0 missing
att_4357numeric3 unique values
0 missing
att_4613numeric6 unique values
0 missing
att_4869numeric4 unique values
0 missing
att_5125numeric3 unique values
0 missing
att_5381numeric14 unique values
0 missing
att_5637numeric4 unique values
0 missing
att_5893numeric2 unique values
0 missing
att_6149numeric7 unique values
0 missing
att_6405numeric6 unique values
0 missing
att_6661numeric3 unique values
0 missing

62 properties

19928
Number of instances (rows) of the dataset.
62062
Number of attributes (columns) of the dataset.
0
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.
62062
Number of numeric attributes.
0
Number of nominal attributes.
0
Percentage of binary attributes.
0.02
Second quartile (Median) of standard deviation of attributes of the numeric type.
Maximum entropy among attributes.
-1.21
Minimum kurtosis among attributes of the numeric type.
0
Percentage of instances having missing values.
Third quartile of entropy among attributes.
19928
Maximum kurtosis among attributes of the numeric type.
0
Minimum of means among attributes of the numeric type.
0
Percentage of missing values.
9961.5
Third quartile of kurtosis among attributes of the numeric type.
10.51
Maximum of means among attributes of the numeric type.
Minimal mutual information between the nominal attributes and the target attribute.
100
Percentage of numeric attributes.
0
Third quartile of means among attributes of the numeric type.
Maximum mutual information between the nominal attributes and the target attribute.
The minimal number of distinct values among attributes of the nominal type.
0
Percentage of nominal attributes.
Third quartile of mutual information between the nominal attributes and the target attribute.
The maximum number of distinct values among attributes of the nominal type.
-0
Minimum skewness among attributes of the numeric type.
First quartile of entropy among attributes.
99.81
Third quartile of skewness among attributes of the numeric type.
141.17
Maximum skewness among attributes of the numeric type.
0.01
Minimum standard deviation of attributes of the numeric type.
2842.57
First quartile of kurtosis among attributes of the numeric type.
0.04
Third quartile of standard deviation of attributes of the numeric type.
5.76
Maximum standard deviation of attributes of the numeric type.
Percentage of instances belonging to the least frequent class.
0
First quartile of means among attributes of the numeric type.
Standard deviation of the number of distinct values among attributes of the nominal type.
Average entropy of the attributes.
Number of instances belonging to the least frequent class.
First quartile of mutual information between the nominal attributes and the target attribute.
7289.85
Mean kurtosis among attributes of the numeric type.
0
Number of binary attributes.
50.78
First quartile of skewness among attributes of the numeric type.
0
Mean of means among attributes of the numeric type.
0.01
First quartile of standard deviation of attributes of the numeric type.
-0.91
Average class difference between consecutive instances.
Average mutual information between the nominal attributes and the target attribute.
Second quartile (Median) of entropy among attributes.
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.
6639.33
Second quartile (Median) of kurtosis among attributes of the numeric type.
3.11
Number of attributes divided by the number of instances.
Average number of distinct values among the attributes of the nominal type.
0
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.
77.06
Mean skewness among attributes of the numeric type.
Second quartile (Median) of mutual information between the nominal attributes and the target attribute.
Percentage of instances belonging to the most frequent class.
0.04
Mean standard deviation of attributes of the numeric type.
80.34
Second quartile (Median) of skewness among attributes of the numeric type.
Number of instances belonging to the most frequent class.
Minimal entropy among attributes.

5 tasks

0 runs - estimation_procedure: 10-fold Crossvalidation - evaluation_measure: predictive_accuracy - target_feature: class
0 runs - estimation_procedure: 10 times 10-fold Crossvalidation - evaluation_measure: predictive_accuracy - target_feature: class
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
Define a new task