sales,coupons,income,dayofweek
37.37,36.93,53.05,6
36.88,38.06,39.6,6
33.09,32.04,57.5,6
35.09,33.43,59.41,5
27.01,43.21,30.49,4
31.18,43.79,36.98,5
28.46,31.05,51.28,2
35.91,34.77,46.84,6
32.92,33.18,49.83,4
26.69,33.29,41.47,4
33.2,33.04,58.79,4
36.03,28.76,57.78,4
35.16,34.73,50.66,1
41.23,31.77,61.27,1
43.12,34.9,54.68,2
32.69,42.62,41.41,1
31.67,32.66,53.69,4
25.76,37.68,40.41,5
36.98,30.21,58.78,5
29.77,26.81,49.5,4
31.94,28.69,48.15,6
29.48,31.79,43.19,4
33.53,23.9,62.23,1
38.29,37.77,48.45,6
33.21,32.61,45.72,5
32.94,34.87,46.48,5
33.26,38.83,55.32,4
29.35,31.39,53.65,4
32.6,36.62,54.13,1
33.77,28.18,54.31,4
44.38,23.26,71.42,6
32.13,32.28,45.94,3
36.08,35.87,44.88,5
30.21,43.27,41.86,1
29.45,23.28,56.16,3
33.8,31.53,61.29,4
33.33,36.76,48.86,7
37.11,36.23,41.6,2
27.44,31.89,41.76,2
37.39,32.11,56.51,3
33.75,28.64,57.43,7
39.11,33.45,55.43,6
32.35,38.44,43.34,1
34.6,41.85,52.32,2
34.87,33.22,51.17,6
29.95,28.79,52.19,1
38.26,31.54,58.71,6
32.3,34.98,52.24,2
34.54,38.4,56.79,7
30.64,38.84,50.68,3