heart_disease_cl | R Documentation |
Detecting the presence of heart disease in patients.
heart_disease_cl
heart_disease_hu
heart_disease_va
heart_disease_ch
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.
The data was collected from the four following locations:
heart_disease_cl
: Cleveland Clinic Foundation
heart_disease_hu
: Hungarian Institute of Cardiology, Budapest
heart_disease_va
: V.A. Medical Center, Long Beach, CA
heart_disease_ch
: University Hospital, Zurich, Switzerland
Database | Instances |
Cleveland | 303 |
Hungarian | 294 |
Switzerland | 123 |
Long Beach VA | 200 |
Hungarian Institute of Cardiology. Budapest: Andras Janosi, M.D.
University Hospital, Zurich, Switzerland: William Steinbrunn, M.D.
University Hospital, Basel, Switzerland: Matthias Pfisterer, M.D.
V.A. Medical Center, Long Beach and Cleveland Clinic Foundation: Robert Detrano, M.D., Ph.D.
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
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