Proc SGPLOT REG statement by default includes markers for the individual points in the data. So very likely @PaigeMiller's suggestion will remove the markers. The appearance of the markers, whether filled or open, circles, squares, diamonds or stars will depend on the ODS style and any overrides you might provide.   The Series will likely seem to connect those markers placed by REG but unless you request markers from the series plot it will not make markers. ... View more

Hi StatDave, Thanks once again for your help. It worked finally!!!. Don't know why it was not outputting before but I do get the results now. Thanks a million, Timothy ... View more

A constant or trend is NOT included in a UCM model by default.  Similarly, an error component (IRREGULAR) is also NOT included by default.  This is different from other procedures such as PROC REG or PROC ARIMA.  Most often, the modeling of trend is the main purpose so it did not seem reasonable to include a particular type of trend (even a constant) as default.   Of course, this type of design decision is a matter of taste.  At the time of UCM development, I decided that the simple REG case is rare. ... View more