Energy-expenditure-(Kcal)	Fat-free-mass-(kg)	Subject
1.851000000e+003	4.930000000e+001	1.000000000e+000
2.209000000e+003	5.930000000e+001	2.000000000e+000
2.283000000e+003	6.830000000e+001	3.000000000e+000
1.885000000e+003	4.810000000e+001	4.000000000e+000
1.929000000e+003	5.760000000e+001	5.000000000e+000
2.490000000e+003	7.810000000e+001	6.000000000e+000
2.484000000e+003	7.610000000e+001	7.000000000e+000
1.936000000e+003	4.930000000e+001	1.000000000e+000
1.891000000e+003	5.930000000e+001	2.000000000e+000
2.423000000e+003	6.830000000e+001	3.000000000e+000
1.791000000e+003	4.810000000e+001	4.000000000e+000
1.967000000e+003	5.760000000e+001	5.000000000e+000
2.567000000e+003	7.810000000e+001	6.000000000e+000
2.653000000e+003	7.610000000e+001	7.000000000e+000