我正在尝试在我的新semPLS上安装MacBook包,但是我得到了错误: package'semPLS' is not available for this version of R
A version of this package for your version of R mightbe available elsewh
我正在使用当前的R版本(3.3.0,r68650).如果我试图安装一个R包,则会发生以下错误: --- Please select a CRANhttps:// URLs are not supported
实际上,我读到为了能够使用https urls,我必须首先安装RCurl。接下来,我尝试将repos参数显式