nXndXFdX%`noall 8 May 2002 16:31biweekweight%8.0g%8.0genregenregF"e( weight | X,week ) + b*week"'`options'`options'`options'ions'if "`e(mo"e( weight | X,week ) + b*week"'`options'`options'`options'ions'if "`e(mo