Consider a sample where each Let denote the 20-dimensional empirical Bayes decision rule for...

Consider a sample

where each Let denote the 20-dimensional empirical
Bayes decision rule for estimating the vector λ under squared error loss
and let be the first coordinate, that is the
estimate of .

Write a computer program to plot versus assuming the following prior
distributions:

where Exp is an exponential with mean 1/γ
.

Write a computer program to graph the risk functions
corresponding to each of the choices above, as you vary and fix the other coordinates