                                                            uri
#&gt; 1 https://example.com/data/514769/dnaAccessionBased.csv, 2017-01-24T09:40:17-0500
#&gt; 2       https://example.com/data/514801/SNPProfile*.csv, 2017-01-24T09:40:17-0500
#&gt; 
#&gt; 
#&gt; $error_domain
#&gt; $error_domain$empirical_error
#&gt; $error_domain$empirical_error$false_negative_alignment_hits
#&gt; [1] "&lt;0.0010"
#&gt; 
#&gt; $error_domain$empirical_error$false_discovery
#&gt; [1] "&lt;0.05"
#&gt; 
#&gt; 
#&gt; $error_domain