Dummies in time series (years)

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wolf61
Posts: 1
Joined: Tue Sep 22, 2009 4:41 am

Dummies in time series (years)

Postby wolf61 » Tue Sep 22, 2009 7:41 am

Hello,
I think my question is pretty trivial: I've got a time series in years (1970-2008) and want to plug in dummies for two different periods (1973-1980 and 1989-1992). How can I get this?
Thanks for your help!

startz
Non-normality and collinearity are NOT problems!
Posts: 3797
Joined: Wed Sep 17, 2008 2:25 pm

Re: Dummies in time series (years)

Postby startz » Tue Sep 22, 2009 8:15 am

Hello,
I think my question is pretty trivial: I've got a time series in years (1970-2008) and want to plug in dummies for two different periods (1973-1980 and 1989-1992). How can I get this?
Thanks for your help!

Code: Select all

ls y x (@year>=1973 and @year<=1980) (@year>=1989 and @year<=1992)


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