Publications by PK O’Flaherty
DATA607 WK5 Assignment
Israel by Landscape Photographer, Noam Chen, from blogs.timesofisrael.com Overview We are addressing the following questions using a chart of August 2021 data for Israeli COVID hospitalization rates for people, 50 and under, and over 50, for both un-vaccinated and fully vaccinated populations: Do you have enough information to calculate the tot...
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DATA606 WK3 Lab
Getting Started Load packages We’re programming within the tidyverse and using data from the openintro library. library(tidyverse) library(openintro) Data The data represents shots attempted by Kobe Bryant where baskets are called “hits”. glimpse(kobe_basket) ## Rows: 133 ## Columns: 6 ## $ vs <fct> ORL, ORL, ORL, ORL, ORL, ORL, ...
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DATA607 WK2 Assignment
Overview Below is the assignment description. I extended the assignment by applying a likert graph, and will discuss avenues for improvement. Choose six recent popular movies. Ask at least five people that you know (friends, family, classmates, imaginary friends if necessary) to rate each of these movies that they have seen on a scale of 1 to 5...
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DATA606 WK2 Lab
Load packages library(tidyverse) library(openintro) Load data data(nycflights) Exercise 1 Look carefully at these three histograms. How do they compare? Are features revealed in one that are obscured in another? ggplot(data = nycflights, aes(x = dep_delay)) + geom_histogram(binwidth = 150) ggplot(data = nycflights, aes(x = dep_delay)) + ge...
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DATA607 WK3 Assignment
Picture of the salal berries mentioned in Exercise 2, from www.diys.com/salal-plant/salal-berries Exercise 1 Using the 173 majors listed in fivethirtyeight.com’s College Majors dataset [https://fivethirtyeight.com/features/the-economic-guide-to-picking-a-college-major/], provide code that identifies the majors that contain either “DATA” or...
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DATA607 Project 1
Magnes Carlsen playing chess, from www.npr.org/alltechconsidered Overview Below is the assignment description. In this project, you’re given a text file with chess tournament results where the information has some structure. Your job is to create an R Markdown file that generates a .CSV file (that could for example be imported into a SQL data...
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DATA606 WK4 Lab
The Normal Distribution Getting Started Load packages We’re programming within the tidyverse and using data from the openintro library. library(tidyverse) library(openintro) The data This data set from the openintro library contains data on 515 menu items from some of the most popular fast food restaurants worldwide. data("fastfood", package...
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DATA607 WK2 Extra Credit
Overview The data set used here is from the article “The (Very) Long Tail of Hurricane Recovery”. https://projects.fivethirtyeight.com/sandy-311/ The article discussed how nearly 5 years after Sandy, 311 was still getting calls from New Yorkers asking for information. The data is pulled from NYC Open Data, and is structured with a row for eac...
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DATA606 WK5b Lab
Foundations for statistical inference - Confidence intervals Getting Started Load packages We are operating in the tidyverse. # Load packages ---------------------------------------------------------------- library(tidyverse) library(openintro) library(infer) # Needed for resampling library(shiny) # Needed for the shiny app # Set image dimen...
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DATA606 WK7 Lab
Inference for numerical data Getting Started Load packages In this lab, we will explore and visualize the data using the tidyverse suite of packages, and perform statistical inference using infer. The data can be found in the companion package for OpenIntro resources, openintro. Let’s load the packages. library(tidyverse) library(openintro) l...
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