for spatial filtering. If <code>values=TRUE</code> then a named list is returned with elements <code>eigenvectors</code> and <code>eigenvalues</code>.</p>
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    <div id="details">
    <h2>Details</h2>
    <p>Returns a set of eigenvectors related to the Moran coefficient (MC), limited to those eigenvectors with |MC| &gt; <code>threshold</code> if <code>nsa = TRUE</code> or MC &gt; <code>threshold</code> if <code>nsa = FALSE</code>, optionally with corresponding eigenvalues.</p>
    </div>
    <div i