 { # loop around lakes<br>
</font><font face="Arial" color="#000100" size="1">&nbsp;&nbsp;&nbsp;
</font><font face="Arial" color="#000100" size="3">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b[i, k] &lt;- beta[i, k] - mean(beta[, k]); # sum to zero constraint<br>
</font><font face="Arial" color="#000100" size="1">&nbsp;&nbsp;&nbsp;
</font><font face="Arial" color="#000100" size="3">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br>
</font><font face="Arial" color="#000100" size="1">&nbsp;&nbsp;&nbsp;
</fo