Data frame:acath

3504 observations and 6 variables, maximum # NAs:1246
NameLabelsUnitsStorageNAs
sexdouble
0
ageAgeYeardouble
0
cad.durDuration of Symptoms of Coronary Artery Diseasedouble
0
cholesteCholesterolmg %double
1246
sigdzSignificant Coronary Disease by Cardiac Cathdouble
0
tvdlmThree Vessel or Left Main Disease by Cardiac Cathdouble
3