Installation
tabulizer depends on rJava,which implies a system requirement for Java. This can be frustrating,especially on Windows. The preferred Windows workflow is to useChocolatey to obtain, configure, and updateJava. You need do this before installing rJava or attempting to usetabulizer. More on thisand troubleshootingbelow. To install the latest CRAN versi...
Code Examples
The main function, extract_tables()provides an R clone of the Tabulacommand line application: By default, it returns the most table-like R structure available: amatrix. It can also write the tables to disk or attempt to coerce themto data.frames using the output argument. It is also possible toselect tables from only specified pages using the pages...
How do I set a Java environment variable in R?
within R using Sys.setenv (JAVA_HOME = "C:/Program Files/Java/jdk1.8.0_92") (note slashes), or from command prompt using the setx command: setx JAVA_HOME C:Program FilesJavajdk1.8.0_92, or from the Start Menu, via Control Panel » System » Advanced » Environment Variables ( instructions here ).
What is setenv & unsetenv in R?
Sys.setenv sets environment variables (for other processes called from within R or future calls to Sys.getenv from this R process). Sys.unsetenv removes environment variables. Sys.setenv (…) … named arguments with values coercible to a character string. a character vector, or an object coercible to character.
How to add environment variables to Rscript?
If you want the environment variable to be available for Rscript (for instance), you can : Windows Add it to your user environment variables, using the Modify environment variables utility (available in the Start menu search bar) Mac You can do the exact same procedure as above but do that on your .bash_profile instead of .Rstudio.
Is the environment variable available only within RStudio?
As it turnouts the variables defined with .Renviron are available only within Rstudio, which is not so much of a surprise since the .Renviron file is read at Rstudio startup. If you want the environment variable to be available for Rscript (for instance), you can :
rtika: R Interface to Apache Tika