Originally Posted by JesterM
1) It's ok, I'd rather use other programs like stata or R but I usually have to use excel when communicating with other people. Certain things drive me crazy, like I can never get charts to look right on excel.
2) For how often it happens: Between Jan 3rd, 2006 and Sept 30, 2009 there are 977 trading days. For this particular security I have 110 missing values. I'm looking at about 30 different securities, I'm...