Byar prostate cancer data set.

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Description

A data set consisting of variables of mixed type measured on a group of prostate cancer patients.

Usage

1

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.

Details

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.

Source

Andrews, D.A., Herzberg, A.M. (1985). Data: A collection of Problems from Many Fields for the Student and Research Worker. Springer.

References

Byar, D.P. and Green, S.B. (1980). The choice of treatment for cancer patients based on covariate information: applications to prostate cancer. Bulletin du Cancer 67: 477-490.

Hunt, L., Jorgensen, M. (1999). Mixture model clustering using the multimix program. Australia and New Zealand Journal of Statistics 41: 153-171.

Examples

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