Publications by Cliff Lee
Food Insecurity
If Untreated, Food Insecurity Has a High Annual Cost References https://www.hungerreport.org/costofhunger/ https://publications.aap.org/pediatrics/article/144/4/e20190397/38475/Food-Insecurity-and-Child-Health https://nutritionj.biomedcentral.com/articles/10.1186/s12937-021-00732-2 https://srcd.onlinelibrary.wiley.com/doi/full/10.1111/cdev.12764...
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R - Assignment #2
7. BONUS – place the original .csv in a github file and have R read from the link. This will be a very useful skill as you progress in your data science education and career. data_frame = read.table(file="https://raw.githubusercontent.com/cliftonleesps/r_bridge_wk2_csv/main/students.csv", header=TRUE,sep=",") 1. Use the summary function to ga...
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R Bridge Week 1 Assignment
1. Write a loop that calculates 12-factorial s <- 1 for (i in 1:12) { s <- s * i } 2. Show how to create a numeric vector that contains the sequence from 20 to 50 by 5. #Initialize an empty vector v <- c() for (i in 20:50) { # if i is divisible by 5 then add to the vector if (i %% 5 == 0) { v <- append(v,i) } } 3. Create th...
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Recommender Systems
Recommender Systems - Bandcamp Bandcamp is an online digital music service that serves fans and musical artists. In fact, depending on who you identify with, it’s debatable as to who gets a better part of the deal. For fans, they get to purchase music in various high quality formats without any digital restrictions and they are assured a large ...
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DATA 607 Assignment Four
Overview In this assignment, we are provided a spreadsheet that describes August 2021 data for Israeli hospitalization (“Severe Cases”) rates for people under 50 (assume “50 and under”) and over 50, for both un-vaccinated and fully vaccinated populations. We are required to analyze the data, and try to answer the questions below. High lev...
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DATA 607 Project One 9-19-21
Project One Requirements 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...
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Week3 - Character Manipulation and Date Processing
1. Provide code that identifies the majors that contain either “DATA” or “STATISTICS” 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 “STATISTICS�...
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R - Final Project
Do Four Year Graduates From Mid Atlantic Colleges Earn 10% or More Than Two Year Graduates? RPub link : https://rpubs.com/cliftonleesps/r_week3_final # 5. BONUS – place the original .csv in a github file and have R read from the link. This will be a very useful skill as you progress in your data science education and career. data_frame = read...
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How Americans View Biden's Response To The Coronavirus Crisis
Introduction The article shows various graphs comparing how Americans view Biden’s handling of the pandemic to that of Trump. Americans answered questions regarding the following subjects: Presidential response; their feelings about infections; and feelings about the economy. This assignment focuses on data concerning the following question: Do...
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Project 2 - Data Transformation
Introduction This project focuses on data transformation and clean up of three datasets from various sources. Each dataset required initial analysis in order to prepare it for downstream analysis and to answer main questions: Customer churn - how many customers have been lost or gained over a year for three company divisions? College costs and g...
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