First time using read.xlsx

[michell.pa...@gmail.com]

Hi,

I am a begginer in R and I want to know what to do in order to download the xlsx package and use the function read.xlsx. Every time I write library(xlsx), the answer I get is 

Error: package or namespace load failed for ‘xlsx’:

 .onLoad failed in loadNamespace() for 'rJava', details:

  call: fun(libname, pkgname)

  error: JAVA_HOME cannot be determined from the Registry

I need your help please.

[Bernard Vallageas]

install.packages("xlsx")

library(xlsx)

[Florent D.]

The xlsx package imports the rJava package, which requires Java be installed (not an R package) on your computer. The error message suggests Java is missing on your machine. This page 

http://www.rforge.net/rJava/index.html says to install JDK 1.4 or higher. It’s something you can google and install yourself on your computer. Then you probably won’t need to reinstall the R packages.

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