Publications by Jacob Martin
DS 1870 - Module 2: Creating a Frequency Table to a Single Variable
Setting up the R Markdown File knitr::opts_chunk$set(echo = F) # Start by loading the tidyverse, gt, and skimr package pacman::p_load(tidyverse, skimr, gt) # Next, read in the Titanic Data set from github titanic <- read.csv("https://raw.githubusercontent.com/Shammalamala/DS-1870-Data/main/titanic.csv") Let’s check the data by using head() ...
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DS 2870 - Homework 8 Fall 2023 - Solutions
knitr::opts_chunk$set(echo = TRUE, message = F, warning = F, fig.align = "center") # load packages: typical - tidyverse and skimr # Classification - class, caret, rpart, rpart.plot pacman::p_load(tidyverse, skimr, class, caret, rpart, rpart.plot) theme_set(them...
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DS 2870 - Homework 4 Key - Fall 2023
Data Description The movies data set has 44010 rows about the amount of explicit content (drugs, language, sex, nudity, and violence) found in 1467 movies released since 1958. Each movie is represented by 30 rows (1 row = movie & tag_name type combo). The relevant variables in the data set are: imdb_id: The identifier used by IMDB to uniquely ...
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DS 2870 - Homework 7 Solutions - Fall 2023
Data Description We’ll be using the AirBnB data set from New York City in 2019. It lists every apartment available in New York City in 2019. The relevant columns are: neighbourhood_group: Which of the 5 boroughs the apartment is located in room_type: The type of room being offered (“Entire home/apt”, “Private room”, “Shared room”)...
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DS 2870 - Homework 5 Solutions - Fall 2023
Data Description The temps data contains the high (TMAX) and low (TMIN) for each day (DATE), recorded at the South Burlington Airport between December 1940 to September 2023. Snow (SNOW) and rain (PRCP) are also included in the data, but won’t be used (neither will be TAVG since it is missing for almost 80% of the days). You will be creatin...
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DS 2870: Module 6 - Creating County Level Maps
Set Up Your Project and Load Libraries knitr::opts_chunk$set(echo = F, fig.align = "center") ## Set the default size of figures (I only use it for knitting) # knitr::opts_chunk$set(fig.width=8, fig.height=5) ## Load the libraries we will be using pacman::p_load(gapminder, socviz, tidyverse, usmap, map...
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DS 2870: Module 5: Adding text to a scatter plot
Set Up Your Project and Load Libraries knitr::opts_chunk$set(echo = F, fig.align = "center", warning = F, message = F, fig.height = 6, fig.width = 8) ## Set the default size of figures # knitr::opts_chunk$set(fig.width=8, fig.heigh...
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DS 2870: Module 5 - Dumbbell Plots
What is a Dumbbell Plot? A dumbbell plot is used to demonstrate the difference or change of a case (person, place, thing, etc…) of a quantitative variable across a binary variable (categorical variable with 2 outcomes). Streaming service subscribers in 2021 vs 2022 Case: Streaming service Quantitative: Number of subscribers Binary: Year (202...
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DS 2870 HW 3 Solutions - Fall 2023
Data Description The movies data set has 5684 rows about the amount of expicit content (drugs, language, sex & nudity, and violence) found in 1421 movies released since 1985. Each movies is represented by 4 rows (1 row = movie & content type combo). The relevant variables in the data set are: imdb_id: The identifier used by IMDB to uniquely sp...
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Changing Default Geom Aesthetics Settings
Histogram of how many times Roy Kent says f*ck Let’s start by creating a histogram for how many times Roy Kent uses his favorite word in Ted Lasso # Creating a decent blank graph gg_RK <- ggplot( data = richmondway, mapping = aes( x = F_count_RK ) ) + # Having the histogram sit on the x-axis scale_y_continuo...
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