Publications by Enid Roman
Data_606_Lab_5_Foundations_for_Statistical_Inreference_Sampling_Distributions
set.seed(500) library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.9 ## ✔ tidyr 1.2.0 ✔ stringr 1.4.1 ## ✔ read...
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Data_607_Assignment_5_Working_with_XML_and_JSON_in_R
XML was designed to describe data and to focus on what data is. HTML was designed to display data and to focus on how data looks. In other words, HTML is about displaying information, XML is about describing information. The tags used to markup HTML documents and the structure of HTML documents are predefined. The author of HTML documents ca...
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Data_606_Lab_6_Inference for categorical data
set.seed(500) library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.9 ## ✔ tidyr 1.2.0 ✔ stringr 1.4.1 ## ✔ read...
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Data_606_Lab_7_Inference _for_numerical_data.rmd
library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.9 ## ✔ tidyr 1.2.0 ✔ stringr 1.4.1 ## ✔ readr 2.1.2 �...
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Data_607_TidyVerse_CREATE_Assignment_Vignette.rm
Data_607_TidyVerse_CREATE_Assignment_Vignette.rmd Enid Roman 2022-10-30 ###INTRODUCTION Which State Has The Worst Drivers? ###DATA BACKGROUND This dataset, “bad-drivers” is from Fivethirtyeight. This data shows America’s bad drivers in all the states, involved in collisions. The data contains the following fields: State Number of driver...
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Data_607_Assign_6_Web_APIs_rmd
The New York Times web site provides a rich set of APIs, as described here: https://developer.nytimes.com/apis I need to start by signing up for an API key at https://developer.nytimes.com/apis. My task is to choose one of the New York Times APIs, construct an interface in R to read in the JSON data, and transform it into an R DataFrame. In ...
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Data 606 Enid Roman-Proposal.Rmd
library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.9 ## ✔ tidyr 1.2.0 ✔ stringr 1.4.1 ## ✔ readr 2.1.2 �...
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Data 607 - DISCUSSION/ASSIGNMENT 11: RECOMMENDER SYSTEMS
HOW TO PERFORM A SCENARIO ANALYSIS Amazon’s US retail e-commerce share is expected to increase from 44% last year to half of total e-commerce sales in 2018. Amazon owns the richest world dataset on how consumers consume and how sellers sell. This allows the retail giant to continuously optimize its online shopping experience through data s...
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Data 607 Sentiment Analysis With Tidy Data, Part 1
Part 1 of 2 I recreate the code from Chapter 2 of the book Text Mining with R by Juilia Silge and David Robinson. https://www.tidytextmining.com/sentiment.html CHAPTER 2 SENTIMENT ANALYSIS WITH TIDY DATA # Install Libraries I felt I Needed #install.packages("tidyverse") #install.packages("textdata") #install.packages("gutenbergr") #install...
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Data 607 Sentiment Analysis With Tidy Data, Part 2
PART 2 OF 2 SENTIMENT ANALYSIS WITH TIDY DATASET My corpus is from the Harry Potter series title “Half-Blood Prince” by J. K. Rowling. Package was created by Bradley Boehmke and I retrieved it from https://afit-r.github.io/sentiment_analysis. # Install Libraries I felt I Needed #install.packages("tidyverse") #install.packages("textdata...
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