Blame for train_means.csv

"pitch_type","base_ivb","base_hb"
"FF",15.7226652318726,-7.59848379430437
"CU",-9.46873166287982,9.29305843795502
"ST",1.41277593345969,14.1691205620677
"SI",7.68716853902634,-14.9308301016803
"FC",7.87145427417174,2.49044997251481
"SL",1.56391178202547,5.15958839635327
"CH",5.47923625981444,-14.2191902609247
"FS",3.13004562334216,-10.6894726790451
"KC",-9.33853080031728,6.55772330702118
"SV",-4.08449147560259,14.0320987654321
"KN",-2.76856405846947,-5.07900257953568
"EP",16.5390134529148,-1.99243049327354
"FA",15.8844520547945,-6.44458904109588
"FO",1.42253164556962,-7.27341772151899
"CS",-8.6772972972973,11.3237837837838
"SC",-3.4246511627907,-8.28279069767442