> install.packages("kknn")
--- 在此連線階段时请选用CRAN的鏡子 ---
警告: 无法在貯藏處https://cloud.r-project.org/bin/windows/contrib/2.15中读写索引
警告信息:
package ‘kknn’ is not available (for R version 2.15.0)
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install.packages("kknn")安装不成功问题
> install.packages("kknn") --- 在此連線階段时请选用CRAN的鏡子 --- 警告: 无法在貯藏處https://cloud.r-project.org/bin/windows/contrib/2.15中读写索引 警告信息: package ‘kknn’ is not available (for R version 2.15.0)