Graphics Reference
In-Depth Information
Figure IV.
.
.
Relationships among functional objects: the let panel shows a
-D scatterplot of opening
bid (x), day of the auction (y)andprice(z). he right panel shows a smoother version of the price
surface, obtained using a Nadaraya-Watson smoother. In that plot, the x-axis is the opening bid and
the y-axis is the day of the auction
