Description
A population of women who were at least 21 years old, of Pima Indian heritage
and living near Phoenix, Arizona, was tested for diabetes
according to World Health Organization criteria. The data
were collected by the US National Institute of Diabetes and Digestive and
Kidney Diseases. We used the 532 complete records after dropping the
(mainly missing) data on serum insulin.Usage
Pima.tr
Pima.tr2
Pima.te
Format
These data frames contains the following columns:
npreg
-
number of pregnancies.
glu
-
plasma glucose concentration in an oral glucose tolerance test.
bp
-
diastolic blood pressure (mm Hg).
skin
-
triceps skin fold thickness (mm).
bmi
-
body mass index (weight in kg/(height in m)\(^2\)).
ped
-
diabetes pedigree function.
age
-
age in years.
type
-
Yes
or No
, for diabetic according to WHO criteria.
Details
The training set Pima.tr
contains a randomly selected set of 200
subjects, and Pima.te
contains the remaining 332 subjects.
Pima.tr2
contains Pima.tr
plus 100 subjects with
missing values in the explanatory variables.