<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Calculate Development Class of the Stand</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="R.css" />
</head><body>

<table width="100%" summary="page for calculate.development.class"><tr><td>calculate.development.class</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>
Calculate Development Class of the Stand
</h2>

<h3>Description</h3>

<p>Calculates the development class of the stand according to the Norwegian National
Forest Inventory.
</p>


<h3>Usage</h3>

<pre>
calculate.development.class(SI.spp, SI.m, stand.age.years)
</pre>


<h3>Arguments</h3>

<table summary="R argblock">
<tr valign="top"><td><code>SI.spp</code></td>
<td>

<p>Species for which the SI is calculated (1 = spruce, 2 = pine, 3 = deciduous).
</p>
</td></tr>
<tr valign="top"><td><code>SI.m</code></td>
<td>

<p>Site index (SI) in m.
</p>
</td></tr>
<tr valign="top"><td><code>stand.age.years</code></td>
<td>

<p>Age of the stand in years.
</p>
</td></tr>
</table>


<h3>Details</h3>

<p>Development classes 1 (regeneration) to 5 (mature).
</p>


<h3>Value</h3>

<p>It returns a vector with the development class of the stands (values 1 to 5).
</p>


<h3>Author(s)</h3>

<p>Clara Anton Fernandez <a href="mailto:caf@nibio.no">caf@nibio.no</a>
</p>


<h3>Examples</h3>

<pre>
calculate.development.class (SI.spp = c(1, 1, 2),
   SI.m = c(23,11,11),
   stand.age.years = c(120, 80, 40)) 

</pre>


</body></html>
