st: Panel data - Finding repeated time values in observations

["Michael Crain" <michaelcrain@hotmail.com>]

My data set is panel data.  I am trying to define the data set as time 
series with the -tsset- command (tsset name yr_mo) but I am getting a 
message that I have repeated time values within the panel.

I have a large number of observations.  What is the most efficient way to 
identify the repeated time values (other than visually inspecting every 
observation)?

Thank you.

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