首次安装PyCharm后,下方提示错误信息“No R interpreter defined: Many R related features like completion, code checking and help won't be available. You can set an interpreter under Preferences->Languages->R",如下图:

No R interpreter defined: Many R related features like completion, code checking and help won't ....

原因:

由于不能进行py文件的编辑,提示意为缺少R语言的解释器,选择安装R,然后将R的路径添加到Pycharm中:

打开R语言官网The Comprehensive R Archive Network。按照电脑对应的型号和版本进行下载,后直接进行安装。

R语言解释器的默认安装目录为C:\Program Files\R\R-3.6.0。在PyCharm中打开 File | Settings | Languages & Frameworks | R Language。

保存之后有个错误:

No R interpreter defined: Many R related features like completion, code checking and help won't ....

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