1 200 3 2  1st obs, last obs, number of exp vars., # of equations
1 2 3 4 5   Data: Explanatories are 1, 2, 3; y's are 4, 5
3 2 6
0. 0. 0. 0. 0. 0.  Prior mean
.1 0. 0. 0. 0. 0.  Prior precision
0. .1 0. 0. 0. 0.
0. 0. .1 0. 0. 0.
0. 0. 0. .1 0. 0.
0. 0. 0. 0. .1 0.
0. 0. 0. 0. 0. .1
5.  Wishart prior for system precision, 5 degrees of freedom
.2 0.  Wishart prior precision matrix
0. .2