2">
    <p>Add a semi-continuous decision to a conservation planning
problem. This is a relaxed decision where a part of a planning
unit can be prioritized, as opposed to the entire planning unit.
This decision is similar to the <code><a href="add_proportion_decisions.html">add_proportion_decisions()</a></code>
function, except that it has an upper bound parameter. By default, the
decision can range from prioritizing none (0%) to all (100%) of a
planning unit. However, an upper bound can be specified to ens