> library(XLConnect)
Loading required package: rJava
Error : .onLoad failed in loadNamespace() for 'rJava', details:
call: fun(libname, pkgname)
error: JAVA_HOME cannot be determined from the Registry
Error: package ‘rJava’ could not be loaded
R XLConnect包不能载入，求助
很显然你没装Java 或者没有设置Java的环境变量.
回复 第2楼 的 simbabest：java和R java都载入不了。那要怎么设置Java的环境变量啊？
The downloaded binary packages are in
C:\Users\Xu\AppData\Local\Temp\RtmpkxthYZ\downloaded_packages
> library("rJava")
Error : .onLoad failed in loadNamespace() for 'rJava', details:
call: fun(libname, pkgname)
error: JAVA_HOME cannot be determined from the Registry
Error: package or namespace load failed for ‘rJava’
>