Publications by Eric Lehmphul
DATA 607: Project 1
Introduction Task In this project, you’re given a text file with chess tournament results where the information has some structure. Your job is to create an R Markdown file that generates a .CSV file (that could for example be imported into a SQL database) with the following information for all of the players: Player’s Name, Player’s State...
2982 sym R (4544 sym/19 pcs)
HW1: US Poll Data from 2020
Overview The article that I chose is "Why Many Americans Don't Vote", by Amelia Thomsn-DeVeux, Jasmine Mithani, and Laura Bronner. The article used a poll to collect data to study why many Americans do not vote. This is an important topic because anywhere between 35 to 60 percent of eligible voters do not cast a ballot in any given electin, as st...
1415 sym R (23833 sym/6 pcs)
DATA 607: Assignment 3
Overview Assignment 3 will cover topics related to data manipulation and regular expressions. Question 1: Using the 173 majors listed in fivethirtyeight.com’s College Majors dataset [https://fivethirtyeight.com/features/the-economic-guide-to-picking-a-college-major/], provide code that identifies the majors that contain either “DATA” or �...
1958 sym R (1942 sym/11 pcs)
Week 7 HW
Assignment Objective Pick three of your favorite books on one of your favorite subjects. At least one of the books should have more than one author. For each book, include the title, authors, and two or three other attributes that you find interesting. Take the information that you’ve selected about these three books, and separately create thre...
2176 sym R (6432 sym/19 pcs)
DATA 607: Assignment 9
Task The New York Times web site provides a rich set of APIs, as described here: https://developer.nytimes.com/apis You’ll need to start by signing up for an API key. Your 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 Data Frame. Code Libraries: library(tidyve...
760 sym R (1548 sym/12 pcs) 1 tbl
DATA 607: Assignment 10
Task In this assignment, you should start by getting the primary example code from chapter 2 working in an R Markdown document. You should provide a citation to this base code. You’re then asked to extend the code in two ways: Work with a different corpus of your choosing, and Incorporate at least one additional sentiment lexicon (possibly fro...
3039 sym R (5491 sym/33 pcs) 2 img
DATA 607: Tidyverse EXTEND
Krutika Patel’s Tidyverse CREATE Assignment library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v ggplot2 3.3.5 v purrr 0.3.4 ## v tibble 3.1.4 v dplyr 1.0.5 ## v tidyr 1.1.3 v stringr 1.4.0 ## v readr 2.0.1 v forcats 0.5.1 ## -- Conflicts ------------------------...
1941 sym R (3598 sym/13 pcs) 4 img