a text file downloaded
from the eBird website.</p></dd>

</dl></div>
    <div id="value">
    <h2>Value</h2>
    <p>This functions returns a data frame in long format where each row
provides data for one species in one week. <code>detection_frequency</code> gives the
proportion of checklists in the region that reported the species in the
given week and <code>n_detections</code> gives the number of detections. The total
number of checklists in each week used to estimate detection frequency is
provided as a d