stat  a   b   value
sum   cat pan 42.32715826
sum   cat hat 43.18440957
sum   cat dog 39.24147285
sum   cat wye 45.19677452
sum   cat cat 37.89414848
sum   pan wye 40.13529971
sum   pan pan 36.22633427
sum   pan hat 35.11586926
sum   pan dog 37.81756019
sum   pan cat 42.23567663
sum   wye cat 40.80572298
sum   wye hat 41.16669670
sum   wye dog 40.61954682
sum   wye wye 32.49097274
sum   wye pan 33.02719552
sum   dog hat 43.51516221
sum   dog pan 45.61401108
sum   dog dog 43.54595570
sum   dog wye 37.22379467
sum   dog cat 45.64259510
sum   hat hat 48.05889742
sum   hat wye 34.05426962
sum   hat pan 42.53875750
sum   hat cat 44.32565470
sum   hat dog 37.11424443
count cat pan 89
count cat hat 90
count cat dog 78
count cat wye 77
count cat cat 79
count pan wye 78
count pan pan 77
count pan hat 67
count pan dog 73
count pan cat 89
count wye cat 74
count wye hat 87
count wye dog 76
count wye wye 67
count wye pan 66
count dog hat 88
count dog pan 87
count dog dog 87
count dog wye 79
count dog cat 83
count hat hat 88
count hat wye 70
count hat pan 85
count hat cat 88
count hat dog 78
mean  cat pan 0.47558605
mean  cat hat 0.47982677
mean  cat dog 0.50309581
mean  cat wye 0.58697110
mean  cat cat 0.47967277
mean  pan wye 0.51455512
mean  pan pan 0.47047187
mean  pan hat 0.52411745
mean  pan dog 0.51804877
mean  pan cat 0.47455816
mean  wye cat 0.55142869
mean  wye hat 0.47318042
mean  wye dog 0.53446772
mean  wye wye 0.48493989
mean  wye pan 0.50041205
mean  dog hat 0.49449048
mean  dog pan 0.52429898
mean  dog dog 0.50052823
mean  dog wye 0.47118727
mean  dog cat 0.54991078
mean  hat hat 0.54612383
mean  hat wye 0.48648957
mean  hat pan 0.50045597
mean  hat cat 0.50370062
mean  hat dog 0.47582365
