setname,age1,age2,age3,age4
data1,0.39369,0.239271,0.2096806,0.1573584
data2,0.5675676,0.1981982,0.1681682,0.06606607
data3,0.2556818,0.2954545,0.2405303,0.2083333
data4,0.5714286,0.1428571,0.1428571,0.2857143