5 Exercises to Get in Cheer Shape (…and it’s exactly what I do for working out!)

> base=base[sample(1:nrow(base))]

We are not far away from the diagonal and observe that we have almost 5% for Gini index. Let us get back to the possible “perfect pricing“. Actually, from a modelling point of view (and not an actuarial one, I believe), the “perfect pricing” might be an a posteriori pricing : every one pays a premium equal to the actual loss.

> base$p4 = base$Y

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