n>
<span class="sd">        dirPaths : str</span>
<span class="sd">            directory to feather file</span>
<span class="sd">        time_series : Time_Series_Data or Time_Series_Data_Collection</span>
<span class="sd">            input data</span>
<span class="sd">        timeSeriesCol : str or int</span>
<span class="sd">            index of time period column</span>
<span class="sd">        mainCategoryCol : str of int</span>
<span class="sd">            index of category column</span>
<span class="s