Xtset Stata Command. Thus do files that you previously wrote will continue to work. 1 unit time variable.
Xtset country year delta. Year 1990 to 1999 panel variable. In previous versions of stata there was no xtset command.
Xt xt introduction to xt commands xt xtset declare a dataset to be panel data xt xtreg fixed between and random effects and population averaged linear models stata is continually being updated and stata users are always writing new commands.
If you are new to stata s xt commands we recommend that you read the following sections first. Xt xt introduction to xt commands xt xtset declare a dataset to be panel data xt xtreg fixed between and random effects and population averaged linear models stata is continually being updated and stata users are always writing new commands. Technical note in previous versions of stata there was no xtset command. You need to do this before you can use the other xt commands.
