rjava
rJava install error “JAVA_HOME cannot be determined from the Registry”
This error is often resolved by installing a Java version (i.e. 64-bit Java or 32-bit Java) that fits to the type of R version that you are using (i.e. 64-bit R or 32-bit R). This problem can easily effect Windows 7 users, since they might have installed a version of Java that is different than … Read more
Unable to load rJava on R
Use: Sys.setenv(JAVA_HOME=’…path to JRE…’) e.g. Sys.setenv(JAVA_HOME=’C:\\Program Files\\Java\\jdk1.7.0_51\\jre’) Your environment variable is wrong.
Problems when trying to load a package in R due to rJava
The reason is probably linked to the fact you are using a 64-bit OS and R version but do not have Java installed with the same architecture. What you have to do is to download Java 64-bit from this page: https://www.java.com/en/download/manual.jsp After that just try to reload the xlsx package. You shouldn’t need to re-start … Read more
R – Error : .onLoad failed in loadNamespace() for ‘rJava’
This worked for me – This error is often resolved by installing a Java version (i.e. 64-bit Java or 32-bit Java) that fits to the type of R version that you are using (i.e. 64-bit R or 32-bit R). This problem can easily effect Windows 7 users, since they might have installed a version of … Read more
Using the rJava package on Win7 64 bit with R
Update (July 2018): The latest CRAN version of rJava will find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that: To use rJava in 32-bit R, you need Java for Windows x86 To use rJava in 64-bit R, you need Java for Windows x64 To build or check R packages with … Read more
R: rJava package install failing
Wouldn’t apt-get install r-cran-rjava have been easier? You could have asked me at useR! 🙂