Publications by Jacob Martin
STAT 5230: Lab 2 Solutions
The data for Practice 2 has national track records of 55 countries and 8 difference track races. The meter100, meter200, and meter400 are recorded in seconds The meter800, meter1500, meter5000, meter10000, and Marathon are measured in minutes. Question 1: PCA with the Covariance Matrix The first set of questions will be performing PCA using th...
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DS 1870: Module 2 Practice - Diamonds Graphs
Setup knitr::opts_chunk$set(echo = F, fig.align = "center") # Load the tidyverse packages: library(tidyverse) The diamonds data ## # A tibble: 53,940 × 10 ## carat cut color clarity depth table price x y z ## <dbl> <ord> <ord> <ord> <dbl> <dbl> <int> <dbl> <dbl> <dbl> ## 1 0.23 Ideal ...
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What are the ten most important words on each of Taylor Swift's albums?
knitr::opts_chunk$set(echo = TRUE, warning = F, message = F, fig.align = "center") # Loading needed packages pacman::p_load(tidyverse, tidytext) # Reading in the taylor swift data set and removing rows with no lyrics swift <- taylor::taylor_album_songs |> # Renami...
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NFL: How Many Times Each Team Has Scored or Allowed More Than Thirty Points
Getting and cleaning the data With the news that the Patrick Mahomes led 15 win Kansas City Chiefs never scored more than thirty points this season, let’s look at how often each team has scored more than 30 points in a game by season since 1999. We’ll be using the nflfastR package to get the play-by-play results for each game ## # A tibble:...
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Does Zapf's Law Apply to Taylor Swift's Lyrics
Tokenizing the data tidy_taylor <- swift |> # tokenizing the lyrics of each song unnest_tokens(output = word, input = lyrics) tibble(tidy_taylor) ## # A tibble: 56,632 × 4 ## index album song_name word ## <int> <chr> <chr> <chr> ## 1 0 Taylor Swift Mary's Song (Oh My My ...
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Clustering US Counties with Education and Economic Features
Loading the data and initial cleaning Cleaning the education data education <- read_xlsx("Education.xlsx", skip = 3) |> # Making the names R friendly janitor::clean_names() |> # Connecticut has missing values for 2022, we'll use the next newest year mutate( # # rucc # x2023_rurual_urban_continuum_code = if_else( # ...
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DS 2870: Homework 8 - Fall 2024 - key
Data Description: The used cars.csv file has information about 1000 randomly sampled used sedans (4 door cars) in 2021. The variables are: manufactor: The company that makes the car model: The model of the car price: The sale price of the used car (our response variable) year: The year are the car was manufactured age: The age of the car when i...
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Does Receiving the Second Half Kickoff Have an Advantage in the NFL?
Does the second half kickoff have an impact on who wins an NFL game? We’ll be looking at the probability the team that receives the kickoff after halftime wins an NFL game. We’ll be accounting for who is winning at the half. The data is the last 10 NFL season results, collected from the nflfastR package and the load_pbp() function. pbp <- ...
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Is it easier to kick field goals in indoor stadiums in the NFL?
Introduction In the NFL, teams can score points in three ways: Safety: Two points Occurs less than 1% of possessions Field Goal: Three points Occurs about 40% of teams’ offensive possessions Touchdown: Six points Occurs about 20% of teams’ offensive possessions A field goal attempt occurs when a team attempts to kick the ball through go...
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