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Gretl
 
 
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gretl is an open-source statistical package, mainly for econometrics
Econometrics

Econometrics is concerned with the tasks of developing and applying quantitative or statistical methods to the study and elucidation of economic principles....
. The name is an acronym for Gnu
GNU General Public License

The GNU General Public License is a widely used free software license, originally written by Richard Stallman for the GNU project. The GPL is the most popular and well-known example of the type of strong copyleft license that requires derived works to be available under the same copyleft....
 Regression, Econometrics and Time-series Library. It has a graphical user interface
Graphical user interface

A graphical user interface is a type of user interface which allows people to human-computer interaction such as computers; hand-held devices such as MP3 Players, Portable Media Players or Gaming devices; household appliances and office equipment....
 and can be used together with X-12-ARIMA
X-12-ARIMA

X-12-ARIMA is the U.S. Census Bureau's software package for seasonal adjustment. It can be used together with gretl, which provides a graphical user interface for X-12-ARIMA....
, TRAMO
TRAMO

TRAMO is aprogram for estimation, forecasting, and interpolation of regression models with missing values and ARIMA errors, in the presence of possibly several types of outliers . The program...
/SEATS, and R
R (programming language)

In computing, R is a programming language and software environment for statistics computing and graphics. It is an implementation of the S programming language with lexical scoping semantics inspired by Scheme ....
. It is written in C
C (programming language)

C is a general-purpose computer programming language originally developed in 1972 by Dennis Ritchie at the Bell Telephone Laboratories to implement the Unix operating system....
, uses GTK as widget toolkit
Widget toolkit

A widget toolkit, widget library, or GUI toolkit is a set of GUI widget for use in designing applications with graphical user interfaces ....
 for creating its GUI, and uses gnuplot
Gnuplot

gnuplot is a command line program that can generate two- and three-dimensional plotting of function s and data. The program runs on all major computers and operating systems ....
 for generating graphs. As a complement to the GUI it also has a command line interface
Command line interface

A command-line interface is a mechanism for interacting with a computer operating system or software by typing commands to perform specific tasks....
.

gretl includes the possibility to output models as LaTeX
LaTeX

LaTeX is a document markup language and Word processor for the TeX typesetting program. Within the typesetting system, its name is styled as ....
 files.






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Encyclopedia


gretl is an open-source statistical package, mainly for econometrics
Econometrics

Econometrics is concerned with the tasks of developing and applying quantitative or statistical methods to the study and elucidation of economic principles....
. The name is an acronym for Gnu
GNU General Public License

The GNU General Public License is a widely used free software license, originally written by Richard Stallman for the GNU project. The GPL is the most popular and well-known example of the type of strong copyleft license that requires derived works to be available under the same copyleft....
 Regression, Econometrics and Time-series Library. It has a graphical user interface
Graphical user interface

A graphical user interface is a type of user interface which allows people to human-computer interaction such as computers; hand-held devices such as MP3 Players, Portable Media Players or Gaming devices; household appliances and office equipment....
 and can be used together with X-12-ARIMA
X-12-ARIMA

X-12-ARIMA is the U.S. Census Bureau's software package for seasonal adjustment. It can be used together with gretl, which provides a graphical user interface for X-12-ARIMA....
, TRAMO
TRAMO

TRAMO is aprogram for estimation, forecasting, and interpolation of regression models with missing values and ARIMA errors, in the presence of possibly several types of outliers . The program...
/SEATS, and R
R (programming language)

In computing, R is a programming language and software environment for statistics computing and graphics. It is an implementation of the S programming language with lexical scoping semantics inspired by Scheme ....
. It is written in C
C (programming language)

C is a general-purpose computer programming language originally developed in 1972 by Dennis Ritchie at the Bell Telephone Laboratories to implement the Unix operating system....
, uses GTK as widget toolkit
Widget toolkit

A widget toolkit, widget library, or GUI toolkit is a set of GUI widget for use in designing applications with graphical user interfaces ....
 for creating its GUI, and uses gnuplot
Gnuplot

gnuplot is a command line program that can generate two- and three-dimensional plotting of function s and data. The program runs on all major computers and operating systems ....
 for generating graphs. As a complement to the GUI it also has a command line interface
Command line interface

A command-line interface is a mechanism for interacting with a computer operating system or software by typing commands to perform specific tasks....
.

gretl includes the possibility to output models as LaTeX
LaTeX

LaTeX is a document markup language and Word processor for the TeX typesetting program. Within the typesetting system, its name is styled as ....
 files. Its own data format is XML-based, and it can also import ASCII
ASCII

American Standard Code for Information Interchange , is a coding standard that can be used for interchanging information, if the information is expressed mainly by the written form of English words....
, Comma Separated Values, EViews
EViews

EViews is a statistical package for Microsoft Windows, used mainly for econometrics. It is developed by Quantitative Micro Software . Version 1.0 was released in March 1994, and replaced MicroTSP....
, Excel
Microsoft Excel

Microsoft Excel is a spreadsheet-application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables and a macro programming language called VBA ....
, Gnumeric
Gnumeric

Gnumeric is a free software spreadsheet program that is part of the GNOME desktop and has Windows installers available. It is intended to be a free replacement for proprietary software spreadsheet programs such as Microsoft Excel, which it broadly and openly emulates....
, GNU Octave
GNU Octave

Octave is a computer program for performing numerical analysis which is mostly compatible with MATLAB. It is part of the GNU Project. It is free software under the terms of the GNU General Public License....
, JMulTi
JMulTi

JMulTi is an open-source interactive software for econometric analysis, specialised in univariate and multivariate time series analysis. It has a Java graphical user interface....
, OpenDocument Spreadsheet
OpenDocument

The OpenDocument format is a file format for electronic office documents such as spreadsheets, charts, presentation programs and word processor documents....
, PcGive, RATS 4, SPSS
SPSS

SPSS is a computer program used for statistical analysis....
 and Stata
Stata

Stata is a general-purpose statistical software package created in 1985 by StataCorp. It is used by many businesses and academic institutions around the world....
 files. It can export to GNU Octave
GNU Octave

Octave is a computer program for performing numerical analysis which is mostly compatible with MATLAB. It is part of the GNU Project. It is free software under the terms of the GNU General Public License....
, R
R (programming language)

In computing, R is a programming language and software environment for statistics computing and graphics. It is an implementation of the S programming language with lexical scoping semantics inspired by Scheme ....
, Comma Separated Values, JMulTi
JMulTi

JMulTi is an open-source interactive software for econometric analysis, specialised in univariate and multivariate time series analysis. It has a Java graphical user interface....
, and PcGive file formats.

Besides English
English language

English is a West Germanic language that originated in Anglo-Saxon England and has lingua franca status in many parts of the world as a result of the military, economic, scientific, political and cultural influence of the British Empire in the 18th, 19th and early 20th centuries and that of the United States from the mid 20th century onwa...
 gretl is also available in Basque
Basque language

Basque is the language spoken by the Basque people who inhabit the Pyrenees in North-Central Spain and the adjoining region of South-Western France....
, German
German language

German is a West Germanic languages, thus related to and classified alongside English language and Dutch language. It is one of the world's world language and the most widely spoken mother tongue in the European Union....
, French
French language

French is a Romance language spoken around the world by around 80 million people as first language, by 190 million as second language, and by about another 200 million people as an acquired tongue, with significant speakers in 54 countries....
, Italian
Italian language

Italian is a Romance languages spoken by about 63 million people as a first language, primarily in Italy. In Switzerland, Italian is one of four Linguistic geography of Switzerlands....
, Polish
Polish language

Polish , an official language of Poland, has the largest number of speakers of any West Slavic languages. Polish-speakers use the language in a uniform manner through most of Poland, and it has a regular orthography....
, Portuguese
Portuguese language

Portuguese is a Romance language that originated in what is now Galicia and Portugal. It is derived from the Latin language spoken by the Romanization Pre-Roman peoples of the Iberian Peninsula around 2000 years ago....
, Russian
Russian language

Russian is the most geographically widespread language of Eurasia, the most widely spoken of the Slavic languages, and the largest native language in Europe....
, Spanish
Spanish language

Spanish or Castilian is a Romance languages that originated in northern Spain, and gradually spread in the Kingdom of Castile and evolved into the principal language of government and trade....
 and Turkish
Turkish language

Turkish is a language spoken by over 63 million people worldwide, making it the most commonly spoken of the Turkic languages. Its speakers are located predominantly in Turkey and Cyprus, with smaller groups in Iraq, Greece, Bulgaria, the Republic of Macedonia, Kosovo, Albania and other parts of Eastern Europe....
.

gretl has been reviewed several times in the Journal of Applied Econometrics
Journal of Applied Econometrics

The Journal of Applied Econometrics is a leading bi-monthly international scholarly journal in econometrics. As its title suggests it focuses on applications rather than theoretical issues....
. There is also a review of gretl in the Journal of Statistical Software
Journal of Statistical Software

The Journal of Statistical Software is a peer-reviewed online-only open access scientific journal that publishes papers related to statistical software....
.

History

  • Version 0.1r released, January 31, 2000
  • Version 0.2 released, April 14, 2000
  • Version 0.30 released, October 15, 2000
  • Version 0.40 released, November 18, 2000
  • Version 0.60 released, December 12, 2000
  • Version 0.70 released, March 16, 2001
  • Version 0.90 released, March 28, 2001
  • Version 1.0.0 released, November 15, 2002
  • Version 1.1.0 released, July 23, 2003
  • Version 1.2.0 released, November 14, 2003
  • Version 1.3.0 released, November 15, 2004
  • Version 1.4.0 released, June 29, 2005
  • Version 1.5.0 released, December 15, 2005
  • Version 1.6.0 released, September 13, 2006
  • Version 1.7.0 released, November 27, 2007
  • Version 1.8.0 released, January 23, 2009


See also

  • DAP
    DAP (software)

    Dap is a statistics and graphics program, that performs data management, analysis, and graphical visualisation tasks which are commonly required in statistical consulting practice....
  • EViews
    EViews

    EViews is a statistical package for Microsoft Windows, used mainly for econometrics. It is developed by Quantitative Micro Software . Version 1.0 was released in March 1994, and replaced MicroTSP....
  • JMulTi
    JMulTi

    JMulTi is an open-source interactive software for econometric analysis, specialised in univariate and multivariate time series analysis. It has a Java graphical user interface....
  • PSPP
    PSPP

    PSPP is a free software application for analysis of sampled data. It has a graphical user interface and conventional command line interface. It is written in C , uses GNU Scientific Library for its mathematical routines, and plotutils for generating graphs....
  • Stata
    Stata

    Stata is a general-purpose statistical software package created in 1985 by StataCorp. It is used by many businesses and academic institutions around the world....
  • AREMOS
    AREMOS

    AREMOS is a data management and econometrics software package released by Global Insight. Though still sold, it was most popular in the late 80's and 90's where it was used by leading economists Originally developed by WEFA under Primark/Thomson Financial....
  • Comparison of statistical packages
    Comparison of statistical packages

    The following tables compare general and technical information for a number of statistical analysis packages....


External links