heart_disease: Heart Disease Processed Data Sets

In coatless/ucidata: Collection of Datasets from the UC Irvine Machine Learning Repository

Heart Disease Processed Data Sets

Description

Detecting the presence of heart disease in patients.

Usage

heart_disease_cl

heart_disease_hu

heart_disease_va

heart_disease_ch

Format

Four data.frames with a varying number of observations that contain the following 14 variables.

• age: age in years

• sex: sex (1 = male; 0 = female)

• cp: chest pain type

  • Value 1: typical angina

  • Value 2: atypical angina

  • Value 3: non-anginal pain

  • Value 4: asymptomatic

• trestbps: resting blood pressure (in mm Hg on admission to the hospital)

• chol: serum cholestoral in mg/dl

• fbs: fasting blood sugar > 120 mg/dl (1 = true; 0 = false)

• restecg: resting electrocardiographic results

  • Value 0: normal

  • Value 1: having ST-T wave abnormality (T wave inversions and/or ST elevation or depression of > 0.05 mV)

  • Value 2: showing probable or definite left ventricular hypertrophy by Estes' criteria

• thalach: maximum heart rate achieved

• exang: exercise induced angina (1 = yes; 0 = no)

• oldpeak: ST depression induced by exercise relative to rest

• slope: the slope of the peak exercise ST segment

  • Value 1: upsloping

  • Value 2: flat

  • Value 3: downsloping

• ca: number of major vessels (0-3) colored by flourosopy

• thal: See below

  • Value 3: normal

  • Value 6: fixed defect

  • Value 7: reversable defect

• num: diagnosis of heart disease (angiographic disease status)

  • Value 0: < 50% diameter narrowing

  • Value 1: > 50% diameter narrowing

An object of class data.frame with 294 rows and 14 columns.

An object of class data.frame with 200 rows and 14 columns.

An object of class data.frame with 123 rows and 14 columns.

Details

The data was collected from the four following locations:

1. heart_disease_cl: Cleveland Clinic Foundation

2. heart_disease_hu: Hungarian Institute of Cardiology, Budapest

3. heart_disease_va: V.A. Medical Center, Long Beach, CA

4. heart_disease_ch: University Hospital, Zurich, Switzerland

Database	Instances
Cleveland	303
Hungarian	294
Switzerland	123
Long Beach VA	200

Source

1. Hungarian Institute of Cardiology. Budapest: Andras Janosi, M.D.

2. University Hospital, Zurich, Switzerland: William Steinbrunn, M.D.

3. University Hospital, Basel, Switzerland: Matthias Pfisterer, M.D.

4. V.A. Medical Center, Long Beach and Cleveland Clinic Foundation: Robert Detrano, M.D., Ph.D.

References

https://archive.ics.uci.edu/ml/machine-learning-databases/heart-disease/processed.cleveland.data https://archive.ics.uci.edu/ml/machine-learning-databases/heart-disease/processed.hungarian.data https://archive.ics.uci.edu/ml/machine-learning-databases/heart-disease/processed.switzerland.data https://archive.ics.uci.edu/ml/machine-learning-databases/heart-disease/processed.va.data https://archive.ics.uci.edu/ml/datasets/Heart+Disease

coatless/ucidata documentation built on Nov. 17, 2023, 9:19 a.m.