libraryreadxl data-readxlsxCUsers27773DesktoptryxlsxError in readxlsxCUsers27773Desktoptryxlsx could not find function readxlsx解决方案

The error message suggests that the function "read.xlsx" is not found. This could be due to the fact that the "readxl" package, which contains the "read.xlsx" function, is not installed or not loaded.

To resolve this issue, you can try the following steps:

1. Install the "readxl" package by running the following command:

   install.packages("readxl")
   

2. Load the "readxl" package by running the following command:

   library(readxl)
   

After performing these steps, you should be able to use the "read.xlsx" function to read Excel files