Publications by Jacob Martin
DS 2870: Module 4 Homework - Summer 2024 - Graphs
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 3 - Summer 2024 - Solutions
knitr::opts_chunk$set(echo = T, warning = F, message = F, fig.align = "center") ## Load the required package: tidyverse library(tidyverse) ## Reading in the Dr Who data from github drwho <- read.csv("https://raw.githubusercontent.com/Shammalamala/DS-2870-Data-Sets/main/d...
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DS 2870: Module 3 Homework - Graphs - summer 2024
Data Description The sp500 data set has the 502 companies in the Standards & Poors (S&P 500) that are the largest 500 (502) publicly traded companies in the US. The data set has 11 variables, with the important ones being: symbol: The 3 to 4 letter symbol used to ID the company on the stock market company: The name of the company sector: The s...
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DS 2870: Module 2 Homework - Summer 2024 - Graphs
knitr::opts_chunk$set(echo = F, warning = F, message = F, fig.align = "center") ## Load the required package: tidyverse library(tidyverse) ## Reading in the Dr Who data from github drwho <- read.csv("https://raw.githubusercontent.com/Shammalamala/DS-2870-Data-Sets/main/d...
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DS 2870: Module 3 - Bar Charts
Set Up Your Project and Load Libraries ## Set the default size of figures and default to printing the R code knitr::opts_chunk$set(fig.align = "center", echo = F, warning = F, message = F, include = T) ## Load the libraries we will be using pacman::p_l...
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DS 2870: Module 3 - Reordering groups in GGplot using the forcats package
Set Up Your Project and Load Libraries ## Set the default size of figures and default to printing the R code knitr::opts_chunk$set(fig.align = "center", echo = F, include = T) ## Load the libraries we will be using pacman::p_load(tidyverse, skimr) ## Changing the default theme to black/white ins...
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DS 1870: Homework 7 Key - Spring 2024
knitr::opts_chunk$set(echo = TRUE, message = F, warning = F, fig.align = "center") # load packages: typical - tidyverse and skimr # Classification - caret, rpart, rpart.plot pacman::p_load(tidyverse, skimr, caret, rpart, rpart.plot) # Setting the default theme...
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DS 2870: Homework 9 - Spring 2024 - Key
knitr::opts_chunk$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 8 - Sp 2024 - key
Data Description: ESPN has a metric it uses to judge quarterback (QB) performance called Quarterback Rating, QBR, and how it is calculated is kept a secret. The qbr game stats.csv file has the QBR rating and game statistics for all quarterback and game performances. The columns in the qbr_df data set are: response variable - qbr: The quarterback...
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DS 1870: Module 6 Homework - Spring 2024 - Key
Data description ESPN has a metric it uses to judge a quarterback’s (QB) performance called Quarterback Rating (QBR), and how it is calculated is kept a secret. The qbr data.csv file has the QBR rating and game statistics for all quarterback and game performances. The columns in the csv file are: qbr (response variable): The quarterback ratin...
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