A statistics article 15pages

Select any one of the following and write an article on the topic. (The article should at least have an abstract, introduction, literature review, models, application, conclusion and references.  Minimum of 13 pages and maximum of 15 pages, size=12 points, spacing=1.15. An example of analysis of a selected data set should be included. If you are analyzing a data set, then you can have your article presented in the form of a research project [Abstract, introduction, literature review, methods, results, conclusions and references]   

1) Models for panel data (With emphasis on fixed, random and mixed effect models)

2) Regression model for longitudinal data (with emphasis on models, assumptions and application).