xyz_to_xy

Three-dimensional lattice formula.

form

Convert a formula from z ~ x * y to y ~ x

Extensions to 'lattice', providing new high-level
functions, methods for existing functions, panel functions, and a theme.

<dl><dt>form</dt>
<dd>Three-dimensional lattice formula.</dd></dl>

<dl>

<dt>form</dt>
<dd>Three-dimensional lattice formula.</dd>

</dl>