STAT 545B Assignment B4 Option A

Description

This repository contains the files and code authored by Renessa Gomes as submission for Assignment B4 in STAT 545B. This submission was completed according to the guidelines and requirements found here.

Three options for completion were presented and of these, Option A was selected. Exercises 1 and 2 were selected for submission.

The purpose of Assignment B4 Option A is to apply concepts presented in class to accomplish various exercises involving strings and functional programming in R.

Sources of Data

Exercise 1 of this assignment required analysis of a text. A Christmas Carol by Charles Dickens was chosen and retrieved from Project Gutenberg.

Files in the Repository

This repository contains the following files:

• README.md : introduction and guide to this repository
• exercise-1 : folder holding files related to Assignment B4: Exercise 1
  • exercise-1.Rmd : submitted code for required tasks of Exercise 1
  • exercise-1.md : knit output file and most up-to-date version of exercise-1.Rmd
  • exercise-1_files : png files of produced plots to view on GitHub
• exercise-2 : folder holding files related to Assignment B4: Exercise 2
  • exercise-2.Rmd : submitted code for required tasks of Exercise 2
  • exercise-2.md : knit output file and most up-to-date version of exercise-2.Rmd

Running the Code

The following packages are required to run the code in exercise-1.Rmd and may need to be installed:

• gutenbergr : includes functions required to load texts from Project Gutenberg
• tidytext : includes functions required to tidy text data
• dplyr : includes functions required for data wrangling
• stringr : includes functions required for string manipulation and detection
• forcats : includes functions to manipulate factors and levels in data
• ggplot2 : includes functions required for data visualization

The following packages are required to run the code in exercise-2.Rmd and may need to be installed:

• dplyr : includes case_when() function vectorize multiple if_else() statements
• stringr : includes functions required for string manipulation
• tibble : includes tibble() function to create tibbles from scratch
• testthat : includes functions required to test and evaluate function behaviors