Hi, I am new to the Research aspect of Quantconnect. For some reason I cannot see any charts after pressing "run" on the exaxmple given called Fundamental Factor Analysis. I get to the first graph and click run in the cell and the graoh dissapears with no exmplanation. 

I have tried to copy the example, Fundamental Factor Analysis with a smaller number of stocks just to get a feel for how it works and would like to plot a graph with the returns of a chosen number of my own stocks to compare to returns of different sub sectors of industries. 

I have not yet been able to do this yet. Could someone help by explaining what could be going wrong on given examples where the graph won't show after pressing run?

Thanks a lot.