Data
longley

longley

active ARFF Publicly available Visibility: public Uploaded 23-04-2014 by Jan van Rijn
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Author: Source: Unknown - Please cite: Data from StatLib (ftp stat.cmu.edu/datasets) The infamous Longley data, "An appraisal of least-squares programs from the point of view of the user", JASA, 62(1967) p819-841. Variables are: Number of people employed (usually the y variable) GNP implicit price deflator GNP Unemployed Armed forces Non-institutionalized population >=14 years of age Year Employment is being treated as the class attribute.

7 features

employed (target)numeric16 unique values
0 missing
deflatornumeric16 unique values
0 missing
GNPnumeric16 unique values
0 missing
unemployednumeric16 unique values
0 missing
armed_forcesnumeric16 unique values
0 missing
populationnumeric16 unique values
0 missing
yearnumeric16 unique values
0 missing

19 properties

16
Number of instances (rows) of the dataset.
7
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.
7
Number of numeric attributes.
0
Number of nominal attributes.
0
Number of binary attributes.
0
Percentage of binary attributes.
0
Percentage of instances having missing values.
0
Percentage of missing values.
-1223.27
Average class difference between consecutive instances.
100
Percentage of numeric attributes.
0.44
Number of attributes divided by the number of instances.
Percentage of instances belonging to the most frequent class.
0
Percentage of nominal attributes.
Number of instances belonging to the most frequent class.
Percentage of instances belonging to the least frequent class.
Number of instances belonging to the least frequent class.

13 tasks

3 runs - estimation_procedure: 10-fold Crossvalidation - evaluation_measure: mean_absolute_error - target_feature: employed
0 runs - estimation_procedure: 10 times 10-fold Crossvalidation - evaluation_measure: mean_absolute_error - target_feature: employed
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
0 runs - estimation_procedure: 50 times Clustering
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