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wq

wq

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Multivariate regression data set from: https://link.springer.com/article/10.1007%2Fs10994-016-5546-z : The Water Quality dataset (Dzeroski et al. 2000) has 14 target attributes that refer to the relative representation of plant and animal species in Slovenian rivers and 16 input attributes that refer to physical and chemical water quality parameters.

30 features

x37880 (target)numeric4 unique values
0 missing
x59300 (target)numeric4 unique values
0 missing
x57500 (target)numeric4 unique values
0 missing
x55800 (target)numeric4 unique values
0 missing
x50390 (target)numeric4 unique values
0 missing
x49700 (target)numeric4 unique values
0 missing
x38100 (target)numeric4 unique values
0 missing
x34500 (target)numeric4 unique values
0 missing
x19400 (target)numeric4 unique values
0 missing
x17300 (target)numeric4 unique values
0 missing
x33400 (target)numeric4 unique values
0 missing
x30400 (target)numeric4 unique values
0 missing
x29600 (target)numeric4 unique values
0 missing
x25400 (target)numeric4 unique values
0 missing
bodnumeric153 unique values
0 missing
std_tempnumeric217 unique values
0 missing
k2cr2o7numeric278 unique values
0 missing
kmno4numeric146 unique values
0 missing
sio2numeric118 unique values
0 missing
clnumeric186 unique values
0 missing
po4numeric90 unique values
0 missing
nh4numeric172 unique values
0 missing
no3numeric135 unique values
0 missing
no2numeric73 unique values
0 missing
hardnessnumeric133 unique values
0 missing
co2numeric40 unique values
0 missing
o2satnumeric541 unique values
0 missing
o2numeric134 unique values
0 missing
conductnumeric357 unique values
0 missing
std_pHnumeric22 unique values
0 missing

62 properties

1060
Number of instances (rows) of the dataset.
30
Number of attributes (columns) of the dataset.
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.
30
Number of numeric attributes.
0
Number of nominal attributes.
First quartile of mutual information between the nominal attributes and the target attribute.
0
Percentage of binary attributes.
0
Percentage of instances having missing values.
0
Percentage of missing values.
100
Percentage of numeric attributes.
0
Percentage of nominal attributes.
First quartile of entropy among attributes.
1.53
First quartile of kurtosis among attributes of the numeric type.
0.45
First quartile of means among attributes of the numeric type.
Standard deviation of the number of distinct values among attributes of the nominal type.
1.24
First quartile of skewness among attributes of the numeric type.
0.87
First quartile of standard deviation of attributes of the numeric type.
Second quartile (Median) of entropy among attributes.
4.34
Second quartile (Median) of kurtosis among attributes of the numeric type.
0.78
Second quartile (Median) of means among attributes of the numeric type.
Second quartile (Median) of mutual information between the nominal attributes and the target attribute.
2.06
Second quartile (Median) of skewness among attributes of the numeric type.
1.02
Second quartile (Median) of standard deviation of attributes of the numeric type.
Third quartile of entropy among attributes.
25.12
Third quartile of kurtosis among attributes of the numeric type.
1.58
Third quartile of means among attributes of the numeric type.
Third quartile of mutual information between the nominal attributes and the target attribute.
4.49
Third quartile of skewness among attributes of the numeric type.
1.33
Third quartile of standard deviation of attributes of the numeric type.
Average class difference between consecutive instances.
2
Mean of means among attributes of the numeric type.
Entropy of the target attribute values.
0.03
Number of attributes divided by the number of instances.
Number of attributes needed to optimally describe the class (under the assumption of independence among attributes). Equals ClassEntropy divided by MeanMutualInformation.
Percentage of instances belonging to the most frequent class.
Number of instances belonging to the most frequent class.
Maximum entropy among attributes.
202.12
Maximum kurtosis among attributes of the numeric type.
24.17
Maximum of means among attributes of the numeric type.
Maximum mutual information between the nominal attributes and the target attribute.
The maximum number of distinct values among attributes of the nominal type.
11.29
Maximum skewness among attributes of the numeric type.
1.83
Maximum standard deviation of attributes of the numeric type.
Average entropy of the attributes.
29.11
Mean kurtosis among attributes of the numeric type.
0
Number of binary attributes.
Average mutual information between the nominal attributes and the target attribute.
An estimate of the amount of irrelevant information in the attributes regarding the class. Equals (MeanAttributeEntropy - MeanMutualInformation) divided by MeanMutualInformation.
Average number of distinct values among the attributes of the nominal type.
3.12
Mean skewness among attributes of the numeric type.
1.08
Mean standard deviation of attributes of the numeric type.
Minimal entropy among attributes.
-0.84
Minimum kurtosis among attributes of the numeric type.
0.27
Minimum of means among attributes of the numeric type.
Minimal mutual information between the nominal attributes and the target attribute.
The minimal number of distinct values among attributes of the nominal type.
-0.71
Minimum skewness among attributes of the numeric type.
0.54
Minimum standard deviation of attributes of the numeric type.
Percentage of instances belonging to the least frequent class.
Number of instances belonging to the least frequent class.

9 tasks

0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
0 runs - estimation_procedure: 50 times Clustering
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