Hi,   I actually found the answer. I had originally coded my different time points as 0.00, 0.60, 2.2 and 5.00 for the number of weeks divided by 10. I recoded the values to 0.00, 6.00, 22.00 and 50,00 for the actual number of weeks and it fixed the problem. Maybe the graphic option has a harder time with decimals. I still don't know what the problem was but I found the solution. If this happens to you try recoding the time points into another format.   Thanks everyone! ... View more