Publications by Shamecca Marshall
Document
library(tidyr) library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.3 ✔ purrr 1.0.2 ## ✔ forcats 1.0.0 ✔ readr 2.1.4 ## ✔ ggplot2 3.4.4 ✔ stringr 1.5.0 ## ✔ lubridate 1.9.3 ✔ tibb...
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Publish Document
library(tidyr) library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.3 ✔ purrr 1.0.2 ## ✔ forcats 1.0.0 ✔ readr 2.1.4 ## ✔ ggplot2 3.4.4 ✔ stringr 1.5.0 ## ✔ lubridate 1.9.3 ✔ tibb...
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Data 608 - Story 2
Loading the libaries and setting API Key library(fredr) library(ggplot2) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(lubridate) ## ## Attaching package...
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Data Science in Context - Color Blindness
Designing Color Blindness friendly graphs Designing Color Blindness friendly graphs What is Color Blindess? Color blindness is a reduced ability to distinguish between colors when compared to the standard for normal human color vision. Color blindness affects 1 in 12 men and 1 in 200 women. Sometimes color blindness is called “Red-Green Color ...
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Suicide Awareness - Final Project
Load Libraries library(ggplot2) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(tidyr) library(tidyverse) ## ── Attaching core tidyverse packages ──...
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Data 607 - Assignment 9
Assignment - Web APIs The New York Times web site provides a rich set of APIs, as described here: https://developer.nytimes.com/apis You’ll need to start by signing up for an API key. Your task is to choose one of the New York Times APIs, construct an interface in R to read in the JSON data, and transform it into an R DataFrame. Libraries # load...
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Data 607 - Project 4
Instructions It can be useful to be able to classify new “test” documents using already classified “training” documents. A common example is using a corpus of labeled spam and ham (non-spam) e-mails to predict whether or not a new document is spam. For this project, you can start with a spam/ham dataset, then predict the class of new docume...
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Data 607 - Spotify's Recommender Systems
Assignment Instructions Your task is to analyze an existing recommender system that you find interesting. You should: Perform a Scenario Design analysis as described below. Consider whether it makes sense for your selected recommender system to perform scenario design twice, once for the organization (e.g. Amazon.com) and once for the organization...
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Lab 8 - Multiple linear regression
Grading the professor Many college courses conclude by giving students the opportunity to evaluate the course and the instructor anonymously. However, the use of these student evaluations as an indicator of course quality and teaching effectiveness is often criticized because these measures may reflect the influence of non-teaching related characte...
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Data 607 - TidyVerse CREATE assignment
In this assignment, you’ll practice collaborating around a code project with GitHub. You could consider our collective work as building out a book of examples on how to use TidyVerse functions. GitHub repository: https://github.com/peterkowalchuk/FALL2023TIDYVERSE FiveThirtyEight.com datasets. Kaggle datasets. Your task here is to Extend an Exist...
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