上面不是说了吗？这个包没在CRAN上，你要下载到本地安装，并且在Mac上只能是R 3.4.X或者更旧的版本。你先把Mac系统的安装包下载下来，然后执行install.packages(file.choose(), repos = NULL, type="source")

install.packages("http://gecon.r-forge.r-project.org/files/gEcon_1.2.0.tar.gz", repos = NULL)

官网http://gecon.r-forge.r-project.org/download.html

http://gecon.r-forge.r-project.org/download.html

您好，我按照您提供的方法，试图在R3.6.3安装gEcon，但是出现了如下报错：

trying URL 'http://gecon.r-forge.r-project.org/files/gEcon_1.2.0.tar.gz'
Content type 'application/x-gzip' length 375927 bytes (367 KB)
==================================================
downloaded 367 KB

ERROR: dependencies ‘nleqslv’, ‘Rcpp’ are not available for package ‘gEcon’
* removing ‘/Library/Frameworks/R.framework/Versions/3.6/Resources/library/gEcon’
Warning message:
In install.packages("http://gecon.r-forge.r-project.org/files/gEcon_1.2.0.tar.gz",  :
  installation of package ‘/var/folders/h1/h3k8tn011fggh7tw0jw60v1c0000gn/T//RtmpPI4VEp/downloaded_packages/gEcon_1.2.0.tar.gz’ had non-zero exit status
>


请问您知道该如何解决吗？