rial" color="#000100" size="1">&nbsp;&nbsp;&nbsp;
</font><font face="Arial" color="#000100" size="3">&nbsp;&nbsp;&nbsp;for (j in 2 : J) { <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;gamma[j, 1] &lt;- 0 ; # zero contrast for baseline food<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;&