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      <img src="" class="logo" alt=""><h1>Create an sfnetwork</h1>
      <small class="dont-index">Source: <a href="https://github.com/josiahparry/sfdep/blob/HEAD/R/sfnetworks.R" class="external-link"><code>R/sfnetworks.R</code></a></small>
      <div class="d-none name"><code>st_as_graph.Rd</code></div>
    </div>

    <div class="ref-description section level2">
    <p>Given an <code>sf</code> or <code>sfc</code> object and neighbor and weights lists, create an <code>sfnetwork</code> object.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">st_as_graph</span><span class="op">(</span><span class="va">x</span>, <span class="va">nb</span>, <span class="va">wt</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># S3 method for sf</span></span>
<span><span class="fu">st_as_graph</span><span class="op">(</span><span class="va">x</span>, <span class="va">nb</span>, <span class="va">wt</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># S3 method for sfc</span></span>
<span><span class="fu">st_as_graph</span><span class="op">(</span><span class="va">x</span>, <span class="va">nb</span>, <span class="va">wt</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>
    <dl><dt>x</dt>
<dd><p>object of class <code>sf</code> or <code>sfc</code>.</p></dd>


<dt>nb</dt>
<dd><p>a neighbor list. If <code>x</code> is class <code>sf</code>, the unquote named of the column. If <code>x</code> is class <code>sfc</code>, an object of class <code>nb</code> as created from <code><a href="st_contiguity.html">st_contiguity()</a></code>.</p></dd>


<dt>wt</dt>
<dd><p>optional. A weights list as generated by <code><a href="st_weights.html">st_weights()</a></code>.  . If <code>x</code> is class <code>sf</code>, the unquote named of the column. If <code>x</code> is class <code>sfc</code>, the weights list itself.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    

<p>an <code>sfnetwork</code> object</p>
    </div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p><code><a href="st_as_nodes.html">st_as_nodes()</a></code> and <code><a href="st_as_edges.html">st_as_edges()</a></code></p></div>
    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span></span></span>
<span class="r-in"><span><span class="kw">if</span> <span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/ns-load.html" class="external-link">requireNamespace</a></span><span class="op">(</span><span class="st">"dplyr"</span>, quietly <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span><span class="op">)</span> <span class="op">{</span></span></span>
<span class="r-in"><span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://magrittr.tidyverse.org" class="external-link">magrittr</a></span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">guerry_nb</span> <span class="op"><a href="https://magrittr.tidyverse.org/reference/pipe.html" class="external-link">%&gt;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu">st_as_graph</span><span class="op">(</span><span class="va">nb</span>, <span class="va">wt</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Checking if spatial network structure is valid...</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Spatial network structure is valid</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;"># A sfnetwork with</span> <span style="color: #555555;">85</span> <span style="color: #555555;">nodes and</span> <span style="color: #555555;">420</span> <span style="color: #555555;">edges</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;">#</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;"># CRS: </span> <span style="color: #555555;">NA</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;">#</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;"># An undirected multigraph with 1 component with spatially explicit edges</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;">#</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># A tibble: 85 × 30</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   i     code_dept count ave_id_geo  dept region department crime_pers crime_prop</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   <span style="color: #949494; font-style: italic;">&lt;chr&gt;</span> <span style="color: #949494; font-style: italic;">&lt;fct&gt;</span>     <span style="color: #949494; font-style: italic;">&lt;dbl&gt;</span>      <span style="color: #949494; font-style: italic;">&lt;dbl&gt;</span> <span style="color: #949494; font-style: italic;">&lt;int&gt;</span> <span style="color: #949494; font-style: italic;">&lt;fct&gt;</span>  <span style="color: #949494; font-style: italic;">&lt;fct&gt;</span>           <span style="color: #949494; font-style: italic;">&lt;int&gt;</span>      <span style="color: #949494; font-style: italic;">&lt;int&gt;</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">1</span> 1     01            1         49     1 E      Ain             <span style="text-decoration: underline;">28</span>870      <span style="text-decoration: underline;">15</span>890</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">2</span> 2     02            1        812     2 N      Aisne           <span style="text-decoration: underline;">26</span>226       <span style="text-decoration: underline;">5</span>521</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">3</span> 3     03            1       <span style="text-decoration: underline;">1</span>418     3 C      Allier          <span style="text-decoration: underline;">26</span>747       <span style="text-decoration: underline;">7</span>925</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">4</span> 4     04            1       <span style="text-decoration: underline;">1</span>603     4 E      Basses-Al…      <span style="text-decoration: underline;">12</span>935       <span style="text-decoration: underline;">7</span>289</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">5</span> 5     05            1       <span style="text-decoration: underline;">1</span>802     5 E      Hautes-Al…      <span style="text-decoration: underline;">17</span>488       <span style="text-decoration: underline;">8</span>174</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">6</span> 6     07            1       <span style="text-decoration: underline;">2</span>249     7 S      Ardeche          <span style="text-decoration: underline;">9</span>474      <span style="text-decoration: underline;">10</span>263</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># ℹ 79 more rows</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># ℹ 21 more variables: literacy &lt;int&gt;, donations &lt;int&gt;, infants &lt;int&gt;,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   suicides &lt;int&gt;, main_city &lt;ord&gt;, wealth &lt;int&gt;, commerce &lt;int&gt;,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   clergy &lt;int&gt;, crime_parents &lt;int&gt;, infanticide &lt;int&gt;,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   donation_clergy &lt;int&gt;, lottery &lt;int&gt;, desertion &lt;int&gt;, instruction &lt;int&gt;,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   prostitutes &lt;int&gt;, distance &lt;dbl&gt;, area &lt;int&gt;, pop1831 &lt;dbl&gt;,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   geometry &lt;POINT&gt;, nb &lt;nb&gt;, wt &lt;list&gt;</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #555555;">#</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># A tibble: 420 × 6</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>    from    to i     j        wt                             geometry</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   <span style="color: #949494; font-style: italic;">&lt;int&gt;</span> <span style="color: #949494; font-style: italic;">&lt;int&gt;</span> <span style="color: #949494; font-style: italic;">&lt;chr&gt;</span> <span style="color: #949494; font-style: italic;">&lt;chr&gt;</span> <span style="color: #949494; font-style: italic;">&lt;dbl&gt;</span>                         <span style="color: #949494; font-style: italic;">&lt;LINESTRING&gt;</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">1</span>     1    36 1     36     0.25   (827911.9 2122906, 855919 2037343)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">2</span>     1    37 1     37     0.25 (827911.9 2122906, 862938.6 2202980)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">3</span>     1    67 1     67     0.25 (827911.9 2122906, 776985.9 2100624)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># ℹ 417 more rows</span></span>
</code></pre></div>
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