> <span class='fu'><a href='https://rdrr.io/r/base/as.Date.html'>as.Date</a></span><span class='op'>(</span><span class='st'>"2019-04-01"</span><span class='op'>)</span>,
                                      end <span class='op'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/as.Date.html'>as.Date</a></span><span class='op'>(</span><span class='st'>"2020-04-01"</span><span class='op'>)</span>,
                                      quote <span class='op'>=</span> <span class='st'>"Close"</span>,
 