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1) With the installr
package, Rtools may be installed from within R by running installr::install_rtools()
2) Without the installr
package Rtools can be installed from HERE
3) After the install completes, run devtools::find_rtools()
to ensure R can find Rtools
a) If this function returns `TRUE` go on to $\LaTeX$ b) If this function returns `FALSE` follow the steps below to edit the system path + Perform a search for 'Environment Variables' + If you have admin rights, choose `Edit the System Environment Variables` otherwise choose `Edit Environment Variables For Your Account` + Find the variable `Path` $\rightarrow$ click Edit $\rightarrow$ add `c:\Rtools\bin;c:\Rtools\gcc-4.6.3\bin` + If the `Path` variable doesn't exist or isn't editable click `New` $\rightarrow$ create the variable `Path` $\rightarrow$ assign the value `c:\Rtools\bin;c:\Rtools\gcc-4.6.3\bin` + Once again, run `devtools::find_rtools()` if this still returns `FALSE` check the directory in which Rtools is located
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