I am analyzing a fairly long time series incidence dataset. The dataset
consists of 5 year records of daily numbers of incidences in a city, which
are believed to follow Poisson distributions. Tobias and Campbell (1998,
STATA sts13) model is closely related to this subject. However, my question
is whether it is legitimate to apply XTGEE or XTPOISSON model with only
single independent unit (i.e., city) but a very long chain. Perhaps, there
are better procedures to use.
Thank you for your help,
Wenjun Li, PhD
Biostatistics Research Center
Tufts-New England Medical Center #63
750 Washington Street
Boston, MA 02111
Tel (617) 636 1603 Fax (617) 636 5560
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