Glossary

Key Points

Introduction to NeSI	NeSI provides interactive access through Jupyter hub
Introduction to the UNIX shell	The shell gives you the ability to work more efficiently by using keyboard commands rather than a GUI. Useful commands for navigating your file system include: `ls`, `pwd`, and `cd`. Tab completion can reduce errors from mistyping and make work more efficient in the shell.
Introducing R and Juypter Notebooks	R is a powerful, popular open-source scripting language
R Basics	Effectively using R is a journey of months or years. Still you don’t have to be an expert to use R and you can start using and analyzing your data with with about a day’s worth of training It is important to understand how data are organized by R in a given object type and how the mode of that type (e.g. numeric, character, logical, etc.) will determine how R will operate on that data. Working with vectors effectively prepares you for understanding how data are organized in R.
R Basics continued - factors and data frames	It is easy to import data into R from tabular formats including Excel. However, you still need to check that R has imported and interpreted your data correctly There are best practices for organizing your data (keeping it tidy) and R is great for this Base R has many useful functions for manipulating your data, but all of R’s capabilities are greatly enhanced by software packages developed by the community

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