Every Tuesday, Shifting Perspectives explores issues affecting druids and those who group with them, brought to you by David Bowers and Dan O'Halloran. Macros used to be a very mysterious thing, ...

For two distribution functions, F and G, the shift function is defined by $\Delta(t) \equiv G^{-1} \circ F(t) - t$. The shift function is the distance from the 45 ⚬ line and the quantity plotted in ...