Publications by Michael Ripley
Mock Quiz 1
Use the given code below to answer the questions. Q1 Get Walmart stock prices, instead of Apple. Hint: Insert a new code chunk below and type in the code, using the tq_get() function above. Replace the ticker symbol for Walmart. You may find the ticker symbol for Walmart from Yahoo Finance. ## # A tibble: 1,029 x 7 ## date open high ...
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My First Publication
Q1 What is R? It is a programming language Q2 What is RStudio? R studio uses infromation from R to develop other programs Q3 What is R packages? Packages you can downlaod for R Note: For help with RMarkdown syntax, go Help > Cheatsheets > R Markdown Reference Guide. This is my answer. Q4 Add code ...
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Publish Document
Q1 What is R? It is a programming language Q2 What is RStudio? R studio uses infromation from R to develop other programs Q3 What is R packages? Packages you can downlaod for R Note: For help with RMarkdown syntax, go Help > Cheatsheets > R Markdown Reference Guide. This is my answer. Q4 Add code ...
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Correlation
In this exercise you will learn to visualize the pairwise relationships between a set of quantitative variables. To this end, you will make your own note of 8.1 Correlation plots from Data Visualization with R. ## price lotSize age landValue livingArea pctCollege bedrooms ## price 1.00 0.16 -0.19 0.58 0.71 0...
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Quiz 3
The data set is from a case-control study of smoking and Alzheimer’s disease. The data set has two variables of main interest: smoking a factor with four levels “None”, “<10”, “10-20”, and “>20” (cigarettes per day) disease a factor with three levels “Alzheimer”, “Other dementias”, and “Other diagnoses”. ## ── ...
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Reading on Regression
Instructions You must follow the instructions below to get credits for this assignment. Read the document (example of regression analysis) posted in Moodle before answering the following questions. Write in your own words. Multiple identical answers will get zero. Elaborate your answer. One or two sentence answers won’t get credit. Make sure t...
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Quiz 5
Replicate a case study of marketing analytics: https://www.linkedin.com/learning/the-data-science-of-marketing/cluster-analysis-with-r?u=2232593 Q1 Import data myClusterData <- read.csv("/cloud/project/cluster-r.csv") myClusterData ## Email Behavior.3 ## 1 nisl@adipiscin...
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Reading on Regression
Instructions You must follow the instructions below to get credits for this assignment. Read the document (example of regression analysis) posted in Moodle before answering the following questions. Write in your own words. Multiple identical answers will get zero. Elaborate your answer. One or two sentence answers won’t get credit. Make sure t...
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Term Project
This is an extension of the tidytuesday assignment you have already done. Complete the questions below, using the screencast you chose for the tidytuesday assigment. Import data library(tidyverse) Recent_grads <- read.csv("https://raw.githubusercontent.com/fivethirtyeight/data/master/college-majors/recent-grads.csv") Description of the data and...
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