string exp

 exp = "if(partially_complete = 1, 'In Progress', if(status='P' or trim(status) = '','Planned',if(status = 'I','In Progress', if (status = 'S', 'Suspend',if(status = 'F', 'Future', if(status = 'E', 'Expired', if(status = 'R', 'Ref Out', if(status = 'U', 'User Defined',if(status = 'O','Ref Out - Comp','Complete')))))))))"

 Modify("stat.Expression="+exp+" ")