Publications by Ken Popkin
Data 606 - Project
knitr::opts_chunk$set(echo = TRUE) knitr::opts_chunk$set(message = FALSE) knitr::opts_chunk$set(warning = FALSE) library(dplyr) library(ggplot2) library(tidyverse) library(reshape2) library(ggpubr) library(ggfortify) require(scales) ## Data for this project is 2745 cases and 16 features head(data,1) ## state count...
4957 sym R (6667 sym/14 pcs) 7 img
Data 607 Final Project - Visualizations
knitr::opts_chunk$set(echo = TRUE) knitr::opts_chunk$set(message = FALSE) knitr::opts_chunk$set(warning = FALSE) library(dplyr) library(ggplot2) library(tidyverse) library(reshape2) library(ggpubr) library(ggfortify) library(psych) require(scales) Introduction to Visualization This is the 2nd of 3 notebooks that researches the question...
3940 sym R (9634 sym/16 pcs) 9 img
Data 607 Final Project - Data Cleaning and Transformations
#libraries library(dplyr) library(rjson) library(janitor) library(sqldf) library(stringr) Research question Can education and wages be used as predictors for home values? There are many factors theorized to influence a home’s value and for this project we’ll attempt to answer if two popular topics, education and wages, can be used as ...
2469 sym R (7301 sym/34 pcs)
Data 607 Final Project - Analysis and Conclusions
knitr::opts_chunk$set(echo = TRUE) knitr::opts_chunk$set(message = FALSE) knitr::opts_chunk$set(warning = FALSE) library(dplyr) library(ggplot2) library(tidyverse) library(reshape2) library(ggpubr) library(ggfortify) library(psych) require(scales) Introduction to Analysis Can education and wages be used as predictors for home values? ...
3864 sym R (5547 sym/11 pcs) 2 img
Data 607 Assignment 12 Recommender Systems
Introduction to Assignment 12 Your task is to analyze an existing recommender system that you find interesting. You should: Perform a Scenario Design analysis. Consider whether it makes sense for your selected recommender system to perform scenario design twice, once for the organization (e.g. Amazon.com) and once for the organization’s custo...
3459 sym
Data607 Assignment 10
knitr::opts_chunk$set(echo = TRUE) knitr::opts_chunk$set(message = FALSE) knitr::opts_chunk$set(warning = FALSE) library(tidytext) library(textdata) Introduction to Assignment 10 Citation: In Text Mining with R, Chapter 2 looks at Sentiment Analysis. For the assignment below all the code was copied from this source and rerun. Assignment: P...
993 sym R (9585 sym/35 pcs) 5 img
Data606 Final Project Proposal
#libraries library(dplyr) library(janitor) library(sqldf) library(stringr) library(psych) library(ggplot2) Data Preparation In this section we’ll load education, wage, and housing data. For each load the features of interest will be selected, rows filtered as needed, and the results written to clean_education, clean_wages, and clean_home...
2746 sym R (9770 sym/37 pcs) 4 img
Data607 Week 9 Assignment
Introduction The New York Times web site provides a rich set of APIs, as described here: NY Times API’s. This notebook connects to the Articles API, reads in the JSON data, and transforms it to a dataframe. Setup #libraries library(jsonlite) library(dplyr) Retrieve data via API #Retrieve articles using my API key, in which John Grisham is m...
282 sym R (857 sym/5 pcs)
Data606 Lab 8
knitr::opts_chunk$set(echo = TRUE) knitr::opts_chunk$set(message = FALSE) knitr::opts_chunk$set(warning = FALSE) Batter up The movie Moneyball focuses on the “quest for the secret of success in baseball”. It follows a low-budget team, the Oakland Athletics, who believed that underused statistics, such as a player’s ability to get on base...
10708 sym R (8405 sym/52 pcs) 12 img
Data606 Week 9 Lab
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 non-teaching related charac...
12019 sym R (4171 sym/27 pcs) 7 img 1 tbl