n class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>2002</span>, <span class='fl'>2012</span>))</div><div class='output co'>#&gt; [1] "SurveyYears=2002,2012&amp;Countries=ALB_3,CHN_5,CHN_1,CHN_2&amp;PovertyLine=1.9&amp;display=C&amp;format=json"</div></pre>
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