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# System prepended metadata

title: Requirements

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---
title: Requirements
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## You will need the following software and hardware to be installed

## Hardware:

- Please bring a laptop to the workshop, 
- Please do NOT bring a chromebook (may not work), or  tablet (such as iPad, or Android tablet)
- Please do not try to work using a cell phone it will not work

## Software:
- Please install or make sure you have [Google Chrome](https://www.google.com/chrome/) or [Firefox](https://www.mozilla.org/en-GB/firefox/new/?redirect_source=firefox-com)
browser on your computer. Other browsers may work. Old versions of Internet Explorers may not work, so we discourage to use this
- BEFORE this workshop, please get a free account on Rstudio.cloud and dagitty (please follow the instructions below)
- Please install a latest version of Java on your computer (this is optional)


## How to get a free account on Rstudio.cloud
Step by step

1. Please visit [https://rstudio.cloud/plans/free](https://rstudio.cloud/plans/free) and set up a free account. 
2. Once you set up the account using your username and password, keep the username and password secure in some place
3. After setting up Rstudio, enter Rstudio.cloud and log in
4. Start a new project and install the following packages by issuing the following commands:

`install.packages(c("tidyverse", "lavaan", "dagitty"))`

5. Visit [http://dagitty.net/](http://dagitty.net/) to learn more about dagitty

That's all the setup you need. 