example:
> getwd() # with RStudio you can read it off the console bar[1]
> "C:/Users/ra`-/Documents/1ray/plans/learnR/week3liats"> library(xlsx)Loading
> required package: rJavaError : .onLoad failed in loadNamespace() for 'rJava',
> details:
call: fun(libname, pkgname)
error: JAVA_HOME cannot be determined from the RegistryIn addition:
Warning messages:1: package xlsx was built under R version 3.0.2 2:
package rJava was built under R version 3.0.2 Error: package rJava
could not be loaded> install.packages("rJava")Installing package into
C:/Users/ra`-/Documents/R/win-library/3.0
(as lib is unspecified)trying URL
'http://cran.rstudio.com/bin/windows/contrib/3.0/rJava_0.9-6.zip'Content
type 'application/zip' length 758820 bytes (741 Kb)opened
URLdownloaded 741 Kbpackage rJava successfully unpacked and MD5 sums
checked
The downloaded binary packages are in
C:\Users\ra`-\AppData\Local\Temp\Rtmpq0N2f2\downloaded_packages>
library("rJava",
lib.loc="C:/Users/ra`-/Documents/R/win-library/3.0")Error : .onLoad
failed in loadNamespace() for 'rJava', details:
call: fun(libname, pkgname)
error: JAVA_HOME cannot be determined from the RegistryIn addition:
Warning message:package rJava was built under R version 3.0.2 Error:
package or namespace load failed for rJava
I tried various things with searhpath, but can't figure out if this a
windows 7 problem, an R problem, an R-studio problem, an R4 vs R3
problem, an rJava problem, a firewall problem, or some clever
combination of such problems. Any tips greatly appreciated even if all
they tell me is in which direction to look (e.g. give Windows a
different searchpath?)
TIA Ray Sachs
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