The important bit to note in this example is the last parameter value, «false», is for the optional $ single parameter. (stemlegal.com)
A key advantage of the Pareto distribution is its simplicity: it can be completely characterised by a single parameter, denoted by a in the literature. (canadianbusiness.com)
The structure of the diiodine molecule corresponds to a minimum in potential energy as the single parameter, internuclear clear distance, varies. (religion-online.org)