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KEEL-dataset - data set description
dataset/images/pima.jpg



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

General information

Pima Indians Diabetes data set
TypeClassificationOriginLaboratory
Features 8(Real / Integer / Nominal)(8 / 0 / 0)
Instances768 Classes2
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{tested_negative,tested_positive}

Additional information

From National Institute of Diabetes and Digestive and Kidney Diseases. Several constraints were placed on the selection of these instances from a larger database. In particular, all patients here are females at least 21 years old of Pima Indian heritage.

The class label represents if the person has not diabetes (tested_negative) or the person has diabetes (tested_positive).

Attribute information:

1. Preg = Number of times pregnant
2. Plas = Plasma glucose concentration a 2 hours in an oral glucose tolerance test
3. Pres = Diastolic blood pressure (mm Hg)
4. Skin = Triceps skin fold thickness (mm)
5. Insu = 2-Hour serum insulin (mu U/ml)
6. Mass = Body mass index (weight in kg/(height in m)^2)
7. Pedi = Diabetes pedigree function
8. Age = Age (years)




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 10-folds cross validation procedure 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.
  • This is not a native data set from the KEEL project. It has been obtained from the UCI Machine Learning Repository. The original page where the data set can be found is: http://archive.ics.uci.edu/ml/datasets/Pima+Indians+Diabetes.


 
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