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KEEL-dataset - data set description
dataset/images/pima.jpg
Pima (Imbalanced) data set


Main Description

This section describes main characteristics of the pima data set and its attributes:

General information

Pima (Imbalanced) data set
TypeImbalancedOriginReal world
Features 8(Real / Integer / Nominal)(8 / 0 / 0)
Instances768 IR1.87
% Positive instances34.84% Negative instances65.16
Missing values?No

Attribute description

AttributeDomain
Preg[0.0, 17.0]
Plas[0.0, 199.0]
Pres[0.0, 122.0]
Skin[0.0, 99.0]
Insu[0.0, 846.0]
Mass[0.0, 67.1]
Pedi[0.078, 2.42]
Age[21.0, 81.0]
Class{negative,positive}

Additional information

A imbalanced version of the Pima data set, where the classes has been renamed to positive and negative.



Main Files and additional references

In this section you can download some files related to the pima data set:

  • The complete data set already formatted in KEEL format can be downloaded from herezip.gif.
  • A copy of the data set already partitioned by means of a 5-folds cross validation procedure can be downloaded from herezip.gif.
  • The header file associated to this data set can be downloaded from heretxt.png.

 
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