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# How to install the SAVI R package from GitHub #
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This is an alternative to using the online version at http://savi.shef.ac.uk/SAVI/.

If you have any difficulties downloading and running the SAVI R Package 
please let us know via savi@sheffield.ac.uk.

Instructions for Windows, Mac and Linux


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# Initial set up (this only needs to be done once) #
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1) Download R from http://cran.rstudio.com/ and install.

2) Install the devtools package from CRAN, either by typing:

	install.packages('devtools') 

into the console, or via the Tools > Install Packages menu if using RStudio .

3) Load the devtools package via the command:
	
	library(devtools)

Windows users may be prompted to install Rtools. You do not need this to install SAVI.

4) Install the SAVI package via:

	install_github('Sheffield-Accelerated-VoI/SAVI-package')


The SAVI report download feature requires Pandoc. Pandoc can be downloaded and installed from http://pandoc.org/.
Pandoc is not essential for the rest of SAVI to work.



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# Running SAVI #
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Type the following two lines into the console:

library(SAVI)
SAVI()

SAVI should open in your machine's default web browser. Nothing is shared outside of your local machine.