Gretl

Gretl

Infobox software
gretl
name = gretl



caption = Screenshot of gretl
developer = The gretl Team
programming language = C
released = January 31, 2000
latest_release_version = 1.7.9
latest_release_date = release date and age|2008|9|28
latest_preview_version = Through CVS
latest_preview_date =
operating_system = Cross-platform
language = Multilingual (10)
status = Active
genre = Econometric software
license = GPL
source_model = Free and open source software
website = [http://gretl.sourceforge.net/ gretl.sourceforge.net]

gretl is an open-source software application for compiling and interpreting data mainly for econometrics. The name is an acronym for "G"nu "R"egression, "E"conometrics and "T"ime-series "L"ibrary. It has a graphical user interface and can be used together with X-12-ARIMA, TRAMO/SEATS, and R. It is written in C, uses GTK as widget toolkit for creating its GUI, and uses gnuplot for generating graphs. As a complement to the GUI it also has a command line interface.

gretl includes the possibility to output models as LaTeX files. Its own data format is XML, and it can also import Excel, Gnumeric, OpenDocument Spreadsheet, Stata, EViews, RATS 4, GNU Octave, Comma Separated Values, PcGive, JMulTi, and ASCII files. It can export to GNU Octave, GNU R, Comma Separated Values, JMulTi, and PcGive file formats.

Besides English gretl is also available in Basque, German, French, Italian, Polish, Portuguese, Russian, Spanish and Turkish.

gretl has been reviewed several times in the Journal of Applied Econometrics: [http://www3.interscience.wiley.com/cgi-bin/abstract/103019996/ABSTRACT GRETL: Econometric software for the GNU generation] , [http://www3.interscience.wiley.com/cgi-bin/abstract/114277452/ABSTRACT GRETL: 1.6.0 and its numerical accuracy] , [http://www3.interscience.wiley.com/cgi-bin/abstract/113488967/ABSTRACT Teaching undergraduate econometrics with GRETL] .There is also a review of gretl in the Journal of Statistical Software: [http://www.jstatsoft.org/v25/s01: gretl 1.7.3] .

History

*Version 0.1r was released on January 31, 2000
*Version 0.2 was released on April 14, 2000
*Version 0.30 was released on October 15, 2000
*Version 0.40 was released on November 18, 2000
*Version 0.60 was released on December 12, 2000
*Version 0.70 was released on March 16, 2001
*Version 0.90 was released on March 28, 2001
*Version 1.0 was released on November 15, 2002
*Version 1.1.0 was released on July 23, 2003
*Version 1.2.0 was released on November 14, 2003
*Version 1.3.0 was released on November 15, 2004
*Version 1.4.0 was released on June 29, 2005
*Version 1.5.0 was released on December 15, 2005
*Version 1.6.0 was released on September 13, 2006
*Version 1.7.0 was released on November 27, 2007
*Version 1.7.4 was released on March 21, 2008
*Version 1.7.5 was released on June 13, 2008
*Version 1.7.9 was released on September 28, 2008

ee also

*DAP
*EViews
*JMulTi
*PSPP
*Stata
*Comparison of statistical packages

External links

* [http://gretl.sourceforge.net/ Gretl Homepage]
* [http://sourceforge.net/projects/gretl/ gretl project page at SourceForge]
* [http://gretlwiki.econ.univpm.it/wiki/index.php/Main_Page Gretl wiki]
* [http://www.learneconometrics.com/gretl.html gretlWeb]
* [http://ricardo.ecn.wfu.edu/pipermail/gretl-users/ Archive for gretl-user's mailing list]
* [http://ricardo.ecn.wfu.edu/pub//gretl/manual/en/gretl-guide.pdf "Gretl User's Guide"]
* [http://ricardo.ecn.wfu.edu/pub//gretl/manual/en/gretl-ref.pdf "Gretl Command Reference"]
* [http://www.gretlconference.org "Gretl Conference. Bilbao, 2009"]


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