El 03/12/15 a las 20:11, Augusta Pelinski escribió:

Good afternoon
I wanted to include period dummies but not this active my box to select this option on the tab to add.
What should I do?
I am using time series, should open this opação.

thank you

Augusta:

you need to have the dataset correctly structured in gretl. I mean, gretl needs to know that your observations are "time series" and what the seasonal periodicity of them is.

Please have a look at the bottom line of the main window to see whether gretl is considering correctly your data. (For example if you go to /File/Open data/Sample/file and in the Ramanathan tab you select 'data9-3', this is a quarterly dataset and in the bottom line you may see "Quarterly: Full range 1972:2-1993:4").

If you have not correctly specified your dataset structure as a time series with seasonal periodicity > 1, the menu '/Add/Periodic dummies' should remain not active (grey).
You may correct the structure of your dataset in the menu '/Data/Dataset structure...'


--
Ignacio Díaz-Emparanza
Departamento de Economía Aplicada III (Econometría y Estadística)
Universidad del País Vasco - Euskalherriko Unibertsitatea, UPV/EHU
Tfno: (+34) 94 601 3732
http://www.ehu.eus/ea3

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