<!-- Put the link to this slide here so people can follow --> **slides: https://hackmd.io/p/SJhSRzUo4#/** --- ## Who are we? --- ### Why Git/GitHub? * Code & data sharing and collaboration * Democratic databases: science on GitHub * [Scientists are turning to a software–development site to share data and code](https://www.nature.com/news/democratic-databases-science-on-github-1.20719) * Making Code Citeable https://guides.github.com/activities/citable-code/ * [Our path to better science in less time using open data science tools]( https://www.nature.com/articles/s41559-017-0160) --- ### Why Git/GitHub? * Curated list of awesome lists https://github.com/sindresorhus/awesome * Instructional materials * Library Carpentry Lessons https://github.com/LibraryCarpentry * Covid data/code: [John Hopkins](https://github.com/CSSEGISandData/COVID-19), [NYTimes](https://github.com/nytimes/covid-19-data), [LA Times](https://github.com/datadesk/california-coronavirus-data), [more](https://github.com/awesomedata/awesome-public-datasets#healthcare) * GitHub really strong in enabling users to share and iterate on code & data --- ### Why Git/GitHub? * Git has been taken up by the data science community * Use it for source code (R, Python, Stata, etc.) * And to manage the unruly collection of files that make up typical data analytical projects: * data, figures, reports, and, yes, source code. --- ## Git * Git is an open source **version control system** for tracking changes in files and coordinating work on those files among multiple people * Git stores the metadata and files in a directory/data structure called a repository * Created by Linus Torvalds in 2005 for managing Linux * Git is often used as a command line tool but does have GUI based tools --- ## GitHub * GitHub is a **web-based hosting service** for Git and has some additional features. * GitHub is not the only option, [GitLab](https://gitlab.com/) main competitor --- ## Version Control * Version control is a system that records changes to a file or set of files over time * It allows you to compare, restore, and merge changes to your files * Not for **preservation** but for versioning of current project * Think of it an unlimited undo button --- ## It helps with some of this pain:  --- ## Examples of Version Control You Might Use * Google Docs Revision History *  * Box and Dropbox also have rudimentary version control --- ## Should You Use Git and GitHub? * Might be overkill for solo projects * Big learning curve * You can use Google Drive, Box, Dropbox -- gives you some version control * Power comes about in working in teams ---  --- ## Exercises https://hackmd.io/j3ntMawkSL-ZiMpMk-AALA?view ---