Xtset Stata Example. Some other commands like clogit can also sometimes be used. If for example one country does not have data for one year then the data is unbalanced.
Some other commands like clogit can also sometimes be used. Moving average banded toeplitz and exponential. It is also possible to have autoregressive 2 or 3 type structures.
If you use date rather than qdate in your xtset then stata will interpret the lag of a given date to be the immediately preceding day rather than the immediately preceding.
Moving average banded toeplitz and exponential. The storage types of both panelvar and timevar must be numeric and both variables must contain integers only. Moving average banded toeplitz and exponential. Xtreg xtlogit xtpoisson etc.