p_help,n,pred_help,obs_help_rate,mean_gain
"(0.4, 0.5]",13,0.45000000000000007,0.6153846153846154,0.0029447115384615306
"(0.7, 0.8]",404,0.7740737783455764,0.8044554455445545,0.00454633353960392
"(0.8, 0.9]",490,0.8627745383867832,0.8489795918367347,0.006114477040816284
"(0.9, 1.0]",2493,0.987069249808396,0.9795427196149218,0.017809554251905304