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Rstudio3.5.1中不能載入caret包，是要更新版本才能用嗎？

https://img1.sycdn.imooc.com//5cd78fb10001696e05800408.jpg

試過了安裝提示中的幾個包但還是加載不了，鏡像是國內(nèi)鏡像

正在回答

1 回答

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Rstudio3.5.1中不能載入caret包，是要更新版本才能用嗎？

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