Merge pull request #114 from LibraryCarpentry/glossary-addition

adding to the glossary

learners/reference.md

@@ -2,31 +2,72 @@
 title: 'Glossary'
 ---
 
-## Glossary
 
-The glossary would go here, formatted as:
+## Glossary
 
-```source
 {:auto_ids}
-key word 1
-:   explanation 1
+assignment operator  
+: the symbol (commonly <-) used to assign a value to a variable in R.
+
+console  
+: the interactive command-line interface where R commands are entered and executed.
+
+data frame  
+: a table-like data structure used to store data in rows and columns, where each column can be of a different type.
+
+dplyr  
+: a package that provides a set of functions for efficient and intuitive data manipulation.
+
+environment  
+: a collection of symbol-value pairs (objects) that exist during an R session.
+
+factor  
+: a data type used to represent categorical variables in R.
+
+function  
+: a block of reusable code designed to perform a specific task when called with inputs.
+
+ggplot2  
+: a package that implements the grammar of graphics to create complex data visualizations.
+
+knitr  
+: a package that converts R Markdown documents into reports in various formats by executing the embedded R code.
+
+library  
+: a command used to load a package into the current R session.
+
+list  
+: a data structure that can hold a collection of objects, which may be of different types or structures.
+
+object  
+: an entity in R that stores data or functions, including variables, vectors, data frames, and lists.
+
+package  
+: a collection of R functions, data, and compiled code that extends R's capabilities.
+
+R  
+: a programming language and environment for statistical computing and graphics.
 
-key word 2
-:   explanation 2
-```
+R Markdown  
+: a document format that integrates text, code, and output to create dynamic and reproducible reports.
 
-(`{:auto_ids}` is needed at the start
-so that Jekyll will automatically generate a unique ID for each item
-to allow other pages to hyperlink to specific glossary entries.)
-This renders as:
+reproducible research  
+: the practice of sharing data, code, and documentation so that analyses can be independently verified and repeated.
 
-{:auto\_ids}
-key word 1
-:   explanation 1
+RStudio  
+: an integrated development environment for R that provides tools for writing, debugging, and visualizing code.
 
-key word 2
-:   explanation 2
+script  
+: a file containing a sequence of R commands that can be executed together.
 
+tidy data  
+: a standardized way of organizing data where each variable is a column and each observation is a row.
 
+variable  
+: a name that stores a value or object in R.
 
+vector  
+: a one-dimensional array that contains elements of the same type.
 
+workspace  
+: the current session's memory that holds all user-defined objects like variables and functions.