W4105 (Autumn 2003)<BR>
W4107 (Spring 2004)<BR>
W4109 (Autumn 2004)<BR>
W4109 (Autumn 2005)<BR>
W4840 (Autumn 2006)<BR>
W4109 (Spring 2007)<BR>
G8243 (Autumn 2007)<BR>
W4109 (Spring 2008)<BR>
W4109 (Autumn 2008)<BR>
<A href="http://www.stat.columbia.edu/~regina/W1111S09">W1111
(Spring 2009)</A><BR><BR>