 able
to completely model the data and so the orange is the tree
that was fit. After this first step, I look at the total
predictions. So this is just gamma times the predictions
made by the first tree. So you see everything is sort of
squashed together. This is the effect of gamma. The blue
points here in this next panel is this data minus the minus
the predictions from step one, and so this is the residual.
It still looks pretty much the same, because we took only a
small step. Then I fit another tree to 