or path of the output file</span>
<span class="sd">        minPS: float or int or str</span>
<span class="sd">            The user can specify minPS either in count or proportion of database size.</span>
<span class="sd">            If the program detects the data type of minPS is integer, then it treats minPS is expressed in count.</span>
<span class="sd">            Otherwise, it will be treated as float.</span>
<span class="sd">            Example: minPS=10 will be treated as integer, while minPS=10.0 wi