一、来自官网的简介(http://gretl.sourceforge.net) Gretl(Gnu Regression, Econometrics and Time-series Library) is a cross-platform software package for econometric analysis, written in the C programming language. It is free, open-source software. You may redistribute it and/or modify it under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation. 二、来自 Wikipedia 的简介(gretl) gretl is an open-source statistical package, mainly for econometrics. The name is an acronym for Gnu Regression, Econometrics and Time-series Library. It h