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simulate_cost.html
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<h1>Simulate cost data</h1>
<small class="dont-index">Source: <a href='https://github.com/prioritizr/prioritizr/blob/master/R/simulate.R'><code>R/simulate.R</code></a></small>
<div class="hidden name"><code>simulate_cost.Rd</code></div>
</div>
<div class="ref-description">
<p>This function generates cost layers using random field models. By default,
it returns spatially auto-correlated integer values.</p>
</div>
<div class="ref-usage sourceCode"><pre class='sourceCode r'><code><span class='fu'>simulate_cost</span><span class='op'>(</span>
<span class='va'>x</span>,
n <span class='op'>=</span> <span class='fl'>1</span>,
model <span class='op'>=</span> <span class='fu'>RandomFields</span><span class='fu'>::</span><span class='fu'><a href='https://rdrr.io/pkg/RandomFields/man/RPpoisson.html'>RPpoisson</a></span><span class='op'>(</span><span class='fu'>RandomFields</span><span class='fu'>::</span><span class='fu'><a href='https://rdrr.io/pkg/RandomFields/man/RMtruncsupport.html'>RMtruncsupport</a></span><span class='op'>(</span>radius <span class='op'>=</span> <span class='fu'>raster</span><span class='fu'>::</span><span class='fu'><a href='https://rdrr.io/pkg/raster/man/resolution.html'>xres</a></span><span class='op'>(</span><span class='va'>x</span><span class='op'>)</span>
<span class='op'>*</span> <span class='fl'>10</span>, <span class='fu'>RandomFields</span><span class='fu'>::</span><span class='fu'><a href='https://rdrr.io/pkg/RandomFields/man/RMgauss.html'>RMgauss</a></span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='op'>)</span>,
transform <span class='op'>=</span> <span class='va'>identity</span>,
<span class='va'>...</span>
<span class='op'>)</span></code></pre></div>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>x</th>
<td><p><code><a href='https://rdrr.io/pkg/raster/man/Raster-classes.html'>RasterLayer</a></code> object to use as
a template.</p></td>
</tr>
<tr>
<th>n</th>
<td><p><code>integer</code> number of species to simulate.</p></td>
</tr>
<tr>
<th>model</th>
<td><p><code><a href='https://rdrr.io/pkg/RandomFields/man/RP.html'>RandomFields::RP()</a></code> model object
to use for simulating data.</p></td>
</tr>
<tr>
<th>transform</th>
<td><p><code>function</code> to transform values output
from the random fields simulation.</p></td>
</tr>
<tr>
<th>...</th>
<td><p>additional arguments passed to
<code><a href='https://rdrr.io/pkg/RandomFields/man/RFsimulate.html'>RandomFields::RFsimulate()</a></code>.</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
<p><code><a href='https://rdrr.io/pkg/raster/man/Raster-classes.html'>RasterStack</a></code> object.</p>
<h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
<div class='dont-index'><p><code><a href='simulate_data.html'>simulate_data()</a></code>.</p></div>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<div class="ref-examples sourceCode"><pre class='sourceCode r'><code><span class='r-in'><span class='co'># \dontrun{</span></span>
<span class='r-in'><span class='co'># create raster</span></span>
<span class='r-in'><span class='va'>r</span> <span class='op'><-</span> <span class='fu'><a href='https://rdrr.io/pkg/raster/man/raster.html'>raster</a></span><span class='op'>(</span>ncol<span class='op'>=</span><span class='fl'>10</span>, nrow<span class='op'>=</span><span class='fl'>10</span>, xmn<span class='op'>=</span><span class='fl'>0</span>, xmx<span class='op'>=</span><span class='fl'>1</span>, ymn<span class='op'>=</span><span class='fl'>0</span>, ymx<span class='op'>=</span><span class='fl'>1</span><span class='op'>)</span></span>
<span class='r-in'><span class='fu'><a href='https://rdrr.io/pkg/raster/man/getValues.html'>values</a></span><span class='op'>(</span><span class='va'>r</span><span class='op'>)</span> <span class='op'><-</span> <span class='fl'>1</span></span>
<span class='r-in'></span>
<span class='r-in'><span class='co'># simulate data</span></span>
<span class='r-in'><span class='va'>cost</span> <span class='op'><-</span> <span class='fu'>simulate_cost</span><span class='op'>(</span><span class='va'>r</span><span class='op'>)</span></span>
<span class='r-in'></span>
<span class='r-in'><span class='co'># plot simulated species</span></span>
<span class='r-in'><span class='fu'><a href='https://rdrr.io/pkg/raster/man/plot.html'>plot</a></span><span class='op'>(</span><span class='va'>cost</span>, main <span class='op'>=</span> <span class='st'>"simulated cost data"</span><span class='op'>)</span></span>
<span class='r-plt'><img src='simulate_cost-1.png' alt='' width='700' height='433' /></span>
<span class='r-in'><span class='co'># }</span></span>
<span class='r-in'></span>
</code></pre></div>
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