Publications by Dylan Putzlocker
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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Tidytuesday
Choose one of David Robinson’s tidytuesday screencasts, watch the video, and summarise. https://www.youtube.com/channel/UCeiiqmVK07qhY-wvg3IZiZQ Instructions You must follow the instructions below to get credits for this assignment. Read the document posted in Moodle before answering the following questions. Write in your own words. Multiple ...
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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 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”. Q1 Describ...
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Mosaic Plot
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 8.5 Mosaic plots from Data Visualization with R. Mosaic charts can display the relationship between categorical variables using: rectangles whose areas represent the proportion of cases for ...
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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. Q1 What factors have strong positve correlation with home price? Factors that have a strong posative correlation to home price would be ...
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Quiz 2
# Load packages library(tidyquant) ## Loading required package: lubridate ## ## Attaching package: 'lubridate' ## The following object is masked from 'package:base': ## ## date ## Loading required package: PerformanceAnalytics ## Loading required package: xts ## Loading required package: zoo ## ## Attaching package: 'zoo' ## The following ...
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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 Microsoft from Yahoo Finance. ## # A tibble: 1,046 x 7 ## date open high...
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My First RMarkdown with Code
Use the given code below to answer the questions. Q1 Get Amazon 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 Microsoft. You may find the ticker symbol for Microsoft from Yahoo Finance. ## Load package library(tidyverse) # for cleaning, p...
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Bivariate Graphs
In this exercise you will learn to plot data using the ggplot2 package. To answer the questions below, use Chapter 4.3 Categorical vs. Quantitative Data Visualization with R. Q1 Plot the distribution of daily returns by stock using kernel density plots. Hint: See the code in 4.3.2 Grouped kernel density plots. Q2 Plot the distribution of daily...
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