R語言中有很多讀取Excel文件的Package,如RODBC、xlsx、gdata、xlsReadWrite等,但都有很多缺點(依賴Java,依賴操作系統,列數限制、效率等等),而下面要介紹的兩個包可以完美地解決這些問題。
知識點
- openxlsx: simplifies the the process of writing and styling Excel xlsx files from R and removes the dependency on Java.
- readxl: Read Excel Files. Works on Windows, Mac and Linux without external dependencies.
包安裝
install.packages("openxlsx")
install.packages("readxl")
Read Excel file
# readxl 自帶的excel文件
xls_file <- readxl::readxl_example("datasets.xls")
xlsx_file <- readxl::readxl_example("datasets.xlsx")
readxl::read_xls(xls_file)
readxl::read_xlsx(xlsx_file)
openxlsx::read.xlsx(xlsx_file)
Write Excel file
xlsx_file <- readxl::readxl_example("datasets.xlsx")
df <- openxlsx::read.xlsx(xlsx_file)
openxlsx::write.xlsx(df, file = "datasets.xlsx")
Edit Excel file
openxlsx 具有以下功能:
- 操作 WorkSheet
- 操作 Cell & Style
- 插入圖片
- 函數
- 設置行高、列寬
- 格式化等等
Reference
- https://ycphs.github.io/openxlsx/index.html
- https://readxl.tidyverse.org/
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