pan> )

<span class='no'>url</span> <span class='kw'>&lt;-</span> <span class='st'>'https://raw.githubusercontent.com/plotly/datasets/master/2011_february_aa_flight_paths.csv'</span>
<span class='no'>flights</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/utils/read.table.html'>read.csv</a></span>(<span class='no'>url</span>)
<span class='no'>flights</span>$<span class='no'>id</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/base/seq.html'>seq