/span><span class='op'>(</span>regressor <span class='op'>=</span> <span class='va'>rates_indx</span>,
                       same_regressor_for_all <span class='op'>=</span> <span class='cn'>TRUE</span>,
                       market_model <span class='op'>=</span> <span class='st'>"sim"</span>,
                       estimation_method <span class='op'>=</span> <span class='st'>"ols"</span>,
                       estimation_start <span class='op'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/a