n</a></span><span class="op">(</span><span class="st">"~/.Renviron"</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="co"># You can check it with:</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/Sys.getenv.html" class="external-link">Sys.getenv</a></span><span class="op">(</span><span class="st">"CENSUS_API_KEY"</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span> <span class="co"># }