winedat.txt
na
cnlumn	var_name	var_type
1	class             d
2	x1                n
3	x2                n
4	x3                n
5	x4                n
6	x5                n
7	x6                n
8	x7                n
9	x8                n
10	x9                n
11	x10                n
12	x11                n
13	x12                n
14	x13                n