Data
Minneapolis-Air-Quality-Survey

Minneapolis-Air-Quality-Survey

active ARFF CC0: Public Domain Visibility: public Uploaded 24-03-2022 by Dustin Carrion
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Context Minneapolis air quality survey results Content Contained in the file are Minneapolis air quality survey results obtained between November 2013 and August 2014. The data set was obtained from http://opendata.minneapolismn.gov. Inspiration Visualizing air pollutants quantities over the city of Minneapolis may provide evidence for the source of certain air pollutants.

18 features

Results (target)numeric495 unique values
0 missing
Xnumeric151 unique values
0 missing
Ynumeric152 unique values
0 missing
ObjectIDnumeric4790 unique values
0 missing
Datestring4 unique values
0 missing
Sample_IDstring464 unique values
0 missing
Parameterstring47 unique values
0 missing
Unitsstring1 unique values
0 missing
CASstring47 unique values
0 missing
HRVnumeric36 unique values
0 missing
Units1string1 unique values
28 missing
HRV_Typesstring5 unique values
28 missing
Namestring64 unique values
2943 missing
Descriptionstring6 unique values
0 missing
Addressstring153 unique values
0 missing
City_1string1 unique values
0 missing
Statestring1 unique values
0 missing
Zipnumeric22 unique values
0 missing
Show all 18 features

19 properties

NumberOfInstances
4790
Number of instances (rows) of the dataset.
NumberOfFeatures
18
Number of attributes (columns) of the dataset.
NumberOfClasses
0
Number of distinct values of the target attribute (if it is nominal).
NumberOfMissingValues
2999
Number of missing values in the dataset.
NumberOfInstancesWithMissingValues
2953
Number of instances with at least one value missing.
NumberOfNumericFeatures
6
Number of numeric attributes.
NumberOfSymbolicFeatures
0
Number of nominal attributes.
PercentageOfBinaryFeatures
0
Percentage of binary attributes.
PercentageOfInstancesWithMissingValues
61.65
Percentage of instances having missing values.
PercentageOfMissingValues
3.48
Percentage of missing values.
AutoCorrelation
-12.95
Average class difference between consecutive instances.
PercentageOfNumericFeatures
33.33
Percentage of numeric attributes.
Dimensionality
0
Number of attributes divided by the number of instances.
PercentageOfSymbolicFeatures
0
Percentage of nominal attributes.
MajorityClassPercentage
Percentage of instances belonging to the most frequent class.
MajorityClassSize
Number of instances belonging to the most frequent class.
MinorityClassPercentage
Percentage of instances belonging to the least frequent class.
MinorityClassSize
Number of instances belonging to the least frequent class.
NumberOfBinaryFeatures
0
Number of binary attributes.
Show all 19 properties

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