These data are used in the book "Computational Statistics" 
by G.H. Givens and J.A. Hoeting.

Name: trivariatenormal.dat
Chapter: 4
Discussed in: Problem 4.3

Description: Fifty points X=(x1,x2,x3) drawn from a trivariate normal
distribution.  Missing coordinate values are indicated with NA.

Variable labels: x1, x2, x3