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employee_salaries

employee_salaries

active ARFF Public Domain (CC0) Visibility: public Uploaded 12-09-2019 by Rich
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Annual salary information including gross pay and overtime pay for all active, permanent employees of Montgomery County, MD paid in calendar year 2016. This information will be published annually each year.

13 features

current_annual_salary (target)numeric3403 unique values
0 missing
full_namestring9222 unique values
0 missing
gendernominal2 unique values
17 missing
2016_gross_pay_receivednumeric8977 unique values
100 missing
2016_overtime_paynumeric6176 unique values
2917 missing
departmentnominal37 unique values
0 missing
department_namenominal37 unique values
0 missing
divisionstring694 unique values
0 missing
assignment_categorynominal2 unique values
0 missing
employee_position_titlestring385 unique values
0 missing
underfilled_job_titlestring84 unique values
8135 missing
date_first_hiredstring2264 unique values
0 missing
year_first_hirednumeric51 unique values
0 missing
Show all 13 features

62 properties

NumberOfInstances
9228
Number of instances (rows) of the dataset.
NumberOfFeatures
13
Number of attributes (columns) of the dataset.
NumberOfClasses
0
Number of distinct values of the target attribute (if it is nominal).
NumberOfMissingValues
11169
Number of missing values in the dataset.
NumberOfInstancesWithMissingValues
8380
Number of instances with at least one value missing.
NumberOfNumericFeatures
4
Number of numeric attributes.
NumberOfSymbolicFeatures
4
Number of nominal attributes.
Quartile1MutualInformation
First quartile of mutual information between the nominal attributes and the target attribute.
PercentageOfBinaryFeatures
15.38
Percentage of binary attributes.
PercentageOfInstancesWithMissingValues
90.81
Percentage of instances having missing values.
PercentageOfMissingValues
9.31
Percentage of missing values.
PercentageOfNumericFeatures
30.77
Percentage of numeric attributes.
PercentageOfSymbolicFeatures
30.77
Percentage of nominal attributes.
Quartile1AttributeEntropy
First quartile of entropy among attributes.
Quartile1KurtosisOfNumericAtts
0.2
First quartile of kurtosis among attributes of the numeric type.
Quartile1MeansOfNumericAtts
4086.27
First quartile of means among attributes of the numeric type.
StdvNominalAttDistinctValues
20.21
Standard deviation of the number of distinct values among attributes of the nominal type.
Quartile1SkewnessOfNumericAtts
-0.36
First quartile of skewness among attributes of the numeric type.
Quartile1StdDevOfNumericAtts
3176.62
First quartile of standard deviation of attributes of the numeric type.
Quartile2AttributeEntropy
Second quartile (Median) of entropy among attributes.
Quartile2KurtosisOfNumericAtts
1.52
Second quartile (Median) of kurtosis among attributes of the numeric type.
Quartile2MeansOfNumericAtts
41862.24
Second quartile (Median) of means among attributes of the numeric type.
Quartile2MutualInformation
Second quartile (Median) of mutual information between the nominal attributes and the target attribute.
Quartile2SkewnessOfNumericAtts
0.73
Second quartile (Median) of skewness among attributes of the numeric type.
Quartile2StdDevOfNumericAtts
20898.81
Second quartile (Median) of standard deviation of attributes of the numeric type.
Quartile3AttributeEntropy
Third quartile of entropy among attributes.
Quartile3KurtosisOfNumericAtts
9.45
Third quartile of kurtosis among attributes of the numeric type.
Quartile3MeansOfNumericAtts
77975.57
Third quartile of means among attributes of the numeric type.
Quartile3MutualInformation
Third quartile of mutual information between the nominal attributes and the target attribute.
Quartile3SkewnessOfNumericAtts
2.28
Third quartile of skewness among attributes of the numeric type.
Quartile3StdDevOfNumericAtts
33608.71
Third quartile of standard deviation of attributes of the numeric type.
AutoCorrelation
-31436.27
Average class difference between consecutive instances.
MeanMeansOfNumericAtts
41308.03
Mean of means among attributes of the numeric type.
ClassEntropy
Entropy of the target attribute values.
Dimensionality
0
Number of attributes divided by the number of instances.
EquivalentNumberOfAtts
Number of attributes needed to optimally describe the class (under the assumption of independence among attributes). Equals ClassEntropy divided by MeanMutualInformation.
MajorityClassPercentage
Percentage of instances belonging to the most frequent class.
MajorityClassSize
Number of instances belonging to the most frequent class.
MaxAttributeEntropy
Maximum entropy among attributes.
MaxKurtosisOfNumericAtts
12.01
Maximum kurtosis among attributes of the numeric type.
MaxMeansOfNumericAtts
79504.04
Maximum of means among attributes of the numeric type.
MaxMutualInformation
Maximum mutual information between the nominal attributes and the target attribute.
MaxNominalAttDistinctValues
37
The maximum number of distinct values among attributes of the nominal type.
MaxSkewnessOfNumericAtts
2.75
Maximum skewness among attributes of the numeric type.
MaxStdDevOfNumericAtts
35105.24
Maximum standard deviation of attributes of the numeric type.
MeanAttributeEntropy
Average entropy of the attributes.
MeanKurtosisOfNumericAtts
3.73
Mean kurtosis among attributes of the numeric type.
NumberOfBinaryFeatures
2
Number of binary attributes.
MeanMutualInformation
Average mutual information between the nominal attributes and the target attribute.
MeanNoiseToSignalRatio
An estimate of the amount of irrelevant information in the attributes regarding the class. Equals (MeanAttributeEntropy - MeanMutualInformation) divided by MeanMutualInformation.
MeanNominalAttDistinctValues
19.5
Average number of distinct values among the attributes of the nominal type.
MeanSkewnessOfNumericAtts
0.89
Mean skewness among attributes of the numeric type.
MeanStdDevOfNumericAtts
19228.04
Mean standard deviation of attributes of the numeric type.
MinAttributeEntropy
Minimal entropy among attributes.
MinKurtosisOfNumericAtts
-0.14
Minimum kurtosis among attributes of the numeric type.
MinMeansOfNumericAtts
2003.6
Minimum of means among attributes of the numeric type.
MinMutualInformation
Minimal mutual information between the nominal attributes and the target attribute.
MinNominalAttDistinctValues
2
The minimal number of distinct values among attributes of the nominal type.
MinSkewnessOfNumericAtts
-0.67
Minimum skewness among attributes of the numeric type.
MinStdDevOfNumericAtts
9.33
Minimum standard deviation of attributes of the numeric type.
MinorityClassPercentage
Percentage of instances belonging to the least frequent class.
MinorityClassSize
Number of instances belonging to the least frequent class.
Show all 62 properties

8 tasks

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