heartdat.txt
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column,varname,vartype
1,age,n
2,sex,c
3,chestpain,c
4,bloodpres,n
5,cholestor,n
6,bloodsugar,c
7,restcardio,c
8,heartrate,n
9,exercise,c
10,oldpeak,n
11,slope,x
12,vessels,c
13,thal,c
14,diagnosis,d