Publications by PK O’Flaherty
DATA607 WK9 Assignment
President Volodymyr Zelensky of Ukraine, from www.nytimes.com/2022/03/27/world/europe/russia-media-zelensky Web APIs Getting Started Instructions 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. Libraries We need the rjson package in order to read from JSON to ...
2730 sym R (4830 sym/14 pcs) 2 img 1 tbl
DATA607 WK11 Discussion
Recommender System Analysis We’re going to analyse the “WebMD Symptom Checker with Body Map” as a recommender system. WebMD’s Symptom Checker system allows you, the user, to verbally describe your symptoms to select tags of symptoms. You can also click on parts of the body to get a list of suggested symptoms that affect that part of the b...
7037 sym
DATA606 Data Project
Retirement photo from DNA India, dnaindia.com/personal-finance/report-how-to-pick-the-right-pension-plan Part 1 - Introduction Abstract We are interested in the funding level of individual pension plans and whether or not there is a statistical difference between the funding levels for plans that are sponsored for a single employer or for many ...
13274 sym R (2374 sym/13 pcs) 4 img
DATA606 WK9 Lab
Multiple linear regression Grading the professor Many college courses conclude by giving students the opportunity to evaluate the course and the instructor anonymously. However, the use of these student evaluations as an indicator of course quality and teaching effectiveness is often criticized because these measures may reflect the influence of...
15258 sym R (12535 sym/39 pcs) 17 img
DATA607 Project Tidy Extend
TidyVerse CREATE ggplot2 I picked Moiya Joseph’s TidyVerse CREATE project to extend. I removed a second dataset from the geom_point() layer in the final map graphic and edited the original segment for flow, language and formatting. See the ‘TidyVerse EXTEND’ section for additional code. title: “Tidyverse CREATE” author: “Moiya Joseph...
5556 sym R (3879 sym/16 pcs) 8 img
DATA606 WK8 Lab
Introduction to linear regression The Human Freedom Index is a report that attempts to summarize the idea of “freedom” through a bunch of different variables for many countries around the globe. It serves as a rough objective measure for the relationships between the different types of freedom - whether it’s political, religious, economical...
15302 sym R (8964 sym/39 pcs) 10 img
DATA607 WK10 Assignment
Sentiment Analysis Getting Started Problem Description and Approach We’re going to recreate and analyze primary code from Chapter 2, Sentiment analysis with tidy data, from Julia Silge & David Robinson’s Text Mining with R (Last built 2022-02-07). We’ll extend that code to a book or selection of books from the Gutenberg project and incorp...
7654 sym R (11487 sym/62 pcs) 8 img
DATA607 Project Tidy Create
Project Tidy Create Getting Started Approach to Problem We’re going to demonstrate some of the capabilites of the ggplot2 package in R, to contribute to a group cookbook for functions within the Tidyverse. If you want an idea to extend this project you could add examples from the 28th Chapter of R for Data Science, Graphics for Communication,...
5570 sym R (6617 sym/36 pcs) 16 img