Indicators

[R A Bailey]

LHS said

<begin>
So it seems that the "affine-like" indicator,
if we have one, should be true iff the block design is resolvable and
any two blocks in different parallel classes of a resolution meet in a
constant number \mu of points.  I would support such an "affine-like"
indicator.
<end>

The name for this property in the statistical literature is
``affine resolvable''.

RAB