Byar: Byar prostate cancer data set.
Description
A data set consisting of variables of mixed type measured on a group of
prostate cancer patients. Patients have either stage 3 or stage 4 prostate
cancer.Format
A data frame with 475 observations on the following 15 variables.
Age
- a numeric vector indicating the age of the patient.
Weight
- a numeric vector indicating the weight of the patient.
Performance.rating
- an ordinal variable indicating how active
the patient is: 0 - normal activity, 1 - in bed less than 50% of
daytime, 2 - in bed more than 50% of daytime, 3 - confined to bed.
Cardiovascular.disease.history
- a binary variable indicating
if the patient has a history of cardiovascular disease: 0 - no, 1 -
yes.
Systolic.Blood.pressure
- a numeric vector indicating the
systolic blood pressure of the patient in units of ten.
Diastolic.blood.pressure
- a numeric vector indicating the
diastolic blood pressure of the patient in units of ten.
Electrocardiogram.code
- a nominal variable indicating the
electorcardiogram code: 0 - normal, 1 - benign, 2 - rythmic
disturbances and electrolyte changes, 3 - heart blocks or conduction
defects, 4 - heart strain, 5 - old myocardial infarct, 6 - recent
myocardial infarct.
Serum.haemoglobin
- a numeric vector indicating the serum
haemoglobin levels of the patient measured in g/100ml.
Size.of.primary.tumour
- a numeric vector indicating the
estimated size of the patient's primary tumour in centimeters squared.
Index.of.tumour.stage.and.histolic.grade
- a numeric vector
indicating the combined index of tumour stage and histolic grade of the
patient.
Serum.prostatic.acid.phosphatase
- a numeric vector indicating
the serum prostatic acid phosphatase levels of the patient in
King-Armstong units.
Bone.metastases
- a binary vector indicating the presence of
bone metastasis: 0 - no, 1 - yes.
Stage
- the stage of the patient's prostate cancer.
Observation
- a patient ID number.
SurvStat
- the post trial survival status of the patient:
0 - alive, 1 - dead from prostatic cancer, 2 - dead from heart or
vascular disease, 3 - dead from cerebrovascular accident, 3 - dead form
pulmonary ebolus, 5 - dead from other cancer, 6 - dead from respiratory
disease, 7 - dead from other specific non-cancer cause, 8 - dead from
other unspecified non-cancer cause, 9 - dead from unknown cause.