Finding individual fixed effect.I recommend checking the formula references and the user guide for the gretl application because it requires extensive knowledge to be able to work with it... Read more
How can I modify a variable?You need to access the command line reference and function reference for the Gretl package to find out more about this process. However, as far as I know... Read more
Delete a certain column from a matrix.The only thing I have found about this is a discussion on the Mathlab discussion board. I recommend you search there and carefully study... Read more
Gnu Regression, Econometrics and Time-series Library (GRETL) is a cross-platform software package for econometric analysis, written in the C programming language. It is free, open-source software. Gretl is an econometrics package, including a shared library, a command-line client program and a graphical user interface.