.BG D
.FN bonds
.TL
Daily Yields of 6 AT&T Bonds
.PP
.AG yield
matrix of daily bond yields; rows represent 192 days from
April 1975 to December 1975.  Columns are one of 6 bonds,
characterized by their coupon rate.
.AG coupon
vector of 6 different coupon rates corresponding to columns
of `yield'.
.KW dataset
.WR
