R )，供後續分析使用。 ###分隔文字檔.txt readr (Wickham, Hester, and Francois 2018) package提供完整的文字檔讀取功能，各讀取函數的第一個參數通常為檔案路徑與 ... ... <看更多>

... 要安裝R Package時,他卻會安裝到一個網路磁碟機, 用Sys.getenv()看下列兩個環境變數是指到網路磁碟機的路徑R_LIBS_USER R_USER 請問如何在RStudio ... ... <看更多>

How did you install R itself. That path doesn't look like a windows path and yet it as "win-library" in the path. That seems odd. – ... ... <看更多>

An experimental R package to convert string to path - GitHub - yutannihilation/string2path: An experimental R package to convert string to path. ... <看更多>

install_github("yrosseel/lavaan") 中的yrosseel/lavaan为lavaan包在Github上的路径。 在搜索引擎输入：包名github，可以得到相应包的路径。以lavaan为例 ... ... <看更多>

An alternative with the gdistance package: after constructing the raster r as you do, transform your ships' positions pts into a ... ... <看更多>

References: Changing R default library path using .libPaths in Rprofile.site ... Unable to update R packages in default library on Windows 7 ... ... <看更多>