Function reference • openintro

Datasets

These are real datasets collected as part of surveys, polls, other observational studies, or experiments.

absenteeism: Absenteeism from school in New South Wales

acs12: American Community Survey, 2012

age_at_mar: Age at first marriage of 5,534 US women.

ames: Housing prices in Ames, Iowa

antibiotics: Pre-existing conditions in 92 children

arbuthnot: Male and female births in London

ask: How important is it to ask pointed questions?

assortative_mating: Eye color of couples

avandia: Cardiovascular problems for two types of Diabetes medicines

babies_crawl: Crawling age

babies: The Child Health and Development Studies

bac: Beer and blood alcohol content

bdims: Body measurements of 507 physically active individuals.

biontech_adolescents: Efficacy of Pfizer-BioNTech COVID-19 vaccine on adolescents

birds: Aircraft-Wildlife Collisions

births: North Carolina births, 100 cases

births14: US births

blizzard_salary: Blizzard Employee Voluntary Salary Info.

burger: Burger preferences

cancer_in_dogs: Cancer in dogs

cards: Deck of cards

cars04: cars04

cars93: cars93

census: Random sample of 2000 U.S. Census Data

cherry: Summary information for 31 cherry trees

children_gender_stereo: Gender Stereotypes in 5-7 year old Children

china: Child care hours

cia_factbook: CIA Factbook Details on Countries

cle_sac: Cleveland and Sacramento

climate70: Temperature Summary Data, Geography Limited

climber_drugs: Climber Drugs Data.

coast_starlight: Coast Starlight Amtrak train

comics: comics

country_iso: Country ISO information

cpr: CPR dataset

cpu: CPU's Released between 2010 and 2020.

daycare_fines: Daycare fines

diabetes2: Type 2 Diabetes Clinical Trial for Patients 10-17 Years Old

dream: Survey on views of the DREAM Act

drone_blades: Quadcopter Drone Blades

drug_use: Drug use of students and parents

duke_forest: Sale prices of houses in Duke Forest, Durham, NC

earthquakes: Earthquakes

ebola_survey: Survey on Ebola quarantine

elmhurst: Elmhurst College gift aid

email: Data frame representing information about a collection of emails

email50: Sample of 50 emails

env_regulation: American Adults on Regulation and Renewable Energy

epa2012: Vehicle info from the EPA for 2012

epa2021: Vehicle info from the EPA for 2021

esi: Environmental Sustainability Index 2005

ethanol: Ethanol Treatment for Tumors Experiment

evals: Professor evaluations and beauty

exam_grades: Exam and course grades for statistics students

exams: Exam scores

exclusive_relationship: Number of Exclusive Relationships

fact_opinion: Can Americans categorize facts and opinions?

fastfood: Nutrition in fast food

fcid: Summary of male heights from USDA Food Commodity Intake Database

fheights: Female college student heights, in inches

fish_age: Young fish in the North Sea.

fish_oil_18: Findings on n-3 Fatty Acid Supplement Health Benefits

flow_rates: River flow data

friday: Friday the 13th

full_body_scan: Poll about use of full-body airport scanners

gdp_countries: GDP Countries Data.

gear_company: Fake data for a gear company example

gender_discrimination: Bank manager recommendations based on gender

get_it_dunn_run: Get it Dunn Run, Race Times

gifted: Analytical skills of young gifted children

global_warming_pew: Pew survey on global warming

goog: Google stock data

gov_poll: Pew Research poll on government approval ratings

gpa_iq: Sample of students and their GPA and IQ

gpa_study_hours: gpa_study_hours

gpa: Survey of Duke students on GPA, studying, and more

gss_wordsum_class: gss_wordsum_class

gss2010: 2010 General Social Survey

health_coverage: Health Coverage and Health Status

healthcare_law_survey: Pew Research Center poll on health care, including question variants

heart_transplant: Heart Transplant Data

helium: Helium football

helmet: Socioeconomic status and reduced-fee school lunches

hfi: Human Freedom Index

house: United States House of Representatives historical make-up

hsb2: High School and Beyond survey

husbands_wives: Great Britain: husband and wife pairs

immigration: Poll on illegal workers in the US

infmortrate: Infant Mortality Rates, 2012

iowa: iowa

ipo: Facebook, Google, and LinkedIn IPO filings

iran: iran

kobe_basket: Kobe Bryant basketball performance

labor_market_discrimination: Are Emily and Greg More Employable Than Lakisha and Jamal?

LAhomes: LAhomes

law_resume: Gender, Socioeconomic Class, and Interview Invites

lecture_learning: Lecture Delivery Method and Learning Outcomes

leg_mari: Legalization of Marijuana Support in 2010 California Survey

lego_population: Population of Lego Sets for Sale between Jan. 1, 2018 and Sept. 11, 2020.

lego_sample: Sample of Lego Sets

life_exp: life_exp

lizard_habitat: Field data on lizards observed in their natural habitat

lizard_run: Lizard speeds

loans_full_schema: Loan data from Lending Club

london_boroughs: London Borough Boundaries

london_murders: London Murders, 2006-2011

mail_me: Influence of a Good Mood on Helpfulness

major_survey: Survey of Duke students and the area of their major

malaria: Malaria Vaccine Trial

male_heights: Sample of 100 male heights

mammals: Sleep in Mammals

mammogram: Experiment with Mammogram Randomized

manhattan: manhattan

marathon: New York City Marathon Times (outdated)

mariokart: Wii Mario Kart auctions from Ebay

mcu_films: Marvel Cinematic Universe films

midterms_house: President's party performance and unemployment rate

migraine: Migraines and acupuncture

military: US Military Demographics

mlb_players_18: Batter Statistics for 2018 Major League Baseball (MLB) Season

mlb_teams: Major League Baseball Teams Data.

mlb: Salary data for Major League Baseball (2010)

mlbbat10: Major League Baseball Player Hitting Statistics for 2010

mn_police_use_of_force: Minneapolis police use of force data.

movies: movies

mtl: Medial temporal lobe (MTL) and other data for 26 participants

murders: Data for 20 metropolitan areas

nba_finals_teams: NBA Finals Team Summary

nba_finals: NBA Finals History

nba_heights: NBA Player heights from 2008-9

nba_players_19: NBA Players for the 2018-2019 season

ncbirths: North Carolina births, 1000 cases

nuclear_survey: Nuclear Arms Reduction Survey

nyc_marathon: New York City Marathon Times

nyc: nyc

nycflights: Flights data

offshore_drilling: California poll on drilling off the California coast

opportunity_cost: Opportunity cost of purchases

orings: 1986 Challenger disaster and O-rings

oscars: Oscar winners, 1929 to 2018

paralympic_1500: Race time for Olympic and Paralympic 1500m.

penelope: Guesses at the weight of Penelope (a cow)

penetrating_oil: What's the best way to loosen a rusty bolt?

penny_ages: Penny Ages

pew_energy_2018: Pew Survey on Energy Sources in 2018

photo_classify: Photo classifications: fashion or not

piracy: Piracy and PIPA/SOPA

playing_cards: Table of Playing Cards in 52-Card Deck

pm25_2011_durham: Air quality for Durham, NC

pm25_2022_durham: Air quality for Durham, NC

poker: Poker winnings during 50 sessions

possum: Possums in Australia and New Guinea

ppp_201503: US Poll on who it is better to raise taxes on

present: Birth counts

president: United States Presidental History

prison: Prison isolation experiment

prius_mpg: User reported fuel efficiency for 2017 Toyota Prius Prime

race_justice: Yahoo! News Race and Justice poll results

reddit_finance: Reddit Survey on Financial Independence.

resume: Which resume attributes drive job callbacks?

rosling_responses: Sample Responses to Two Public Health Questions

russian_influence_on_us_election_2016: Russians' Opinions on US Election Influence in 2016

sa_gdp_elec: Sustainability and Economic Indicators for South Africa.

salinity: Salinity in Bimini Lagoon, Bahamas

satgpa: SAT and GPA data

scotus_healthcare: Public Opinion with SCOTUS ruling on American Healthcare Act

seattlepets: Names of pets in Seattle

sex_discrimination: Bank manager recommendations based on sex

simpsons_paradox_covid: Simpson's Paradox: Covid

sinusitis: Sinusitis and antibiotic experiment

sleep_deprivation: Survey on sleep deprivation and transportation workers

smallpox: Smallpox vaccine results

smoking: UK Smoking Data

snowfall: Snowfall at Paradise, Mt. Rainier National Park

socialexp: Social experiment

soda: soda

solar: Energy Output From Two Solar Arrays in San Francisco

sowc_child_mortality: SOWC Child Mortality Data.

sowc_demographics: SOWC Demographics Data.

sowc_maternal_newborn: SOWC Maternal and Newborn Health Data.

sp500_1950_2018: Daily observations for the S&P 500

sp500_seq: S&P 500 stock data

sp500: Financial information for 50 S&P 500 companies

speed_gender_height: Speed, gender, and height of 1325 students

ssd_speed: SSD read and write speeds

starbucks: Starbucks nutrition

stats_scores: Final exam scores for twenty students

stem_cell: Embryonic stem cells to treat heart attack (in sheep)

stent30: Stents for the treatment of stroke

stocks_18: Monthly Returns for a few stocks

sulphinpyrazone: Treating heart attacks

supreme_court: Supreme Court approval rating

teacher: Teacher Salaries in St. Louis, Michigan

textbooks: Textbook data for UCLA Bookstore and Amazon

tourism: Turkey tourism

transplant: Transplant consultant success rate (fake data)

twins: twins

ucb_admit: ucb_admit

ucla_f18: UCLA courses in Fall 2018

ucla_textbooks_f18: Sample of UCLA course textbooks for Fall 2018

ukdemo: United Kingdom Demographic Data

unempl: Annual unemployment since 1890

unemploy_pres: President's party performance and unemployment rate

us_temperature: US temperatures in 1950 and 2022

winery_cars: Time Between Gondola Cars at Sterling Winery

world_pop: World Population Data.

xom: Exxon Mobile stock data

yawn: Contagiousness of yawning

yrbss_samp: Sample of Youth Risk Behavior Surveillance System (YRBSS)

yrbss: Youth Risk Behavior Surveillance System (YRBSS)

Simulated datasets

These are simulated datasets, primarly used in the textbooks for illustrating a particular concept or showcasing features of a particular methodology.

ami_occurrences: Acute Myocardial Infarction (Heart Attack) Events

association: Simulated data for association plots

ball_bearing: Lifespan of ball bearings

books: Sample of books on a shelf

cchousing: Community college housing (simulated data)

classdata: Simulated class data

corr_match: Sample datasets for correlation problems

credits: College credits.

family_college: Simulated sample of parent / teen college attendance

gradestv: Simulated data for analyzing the relationship between watching TV and grades

gsearch: Simulated Google search experiment

housing: Simulated dataset on student housing

ipod: Length of songs on an iPod

jury: Simulated juror dataset

male_heights_fcid: Random sample of adult male heights

outliers: Simulated datasets for different types of outliers

res_demo_1: Simulated data for regression

res_demo_2: Simulated data for regression

sat_improve: Simulated data for SAT score improvement

simulated_dist: Simulated datasets, not necessarily drawn from a normal distribution.

simulated_normal: Simulated datasets, drawn from a normal distribution.

simulated_scatter: Simulated data for sample scatterplots

student_housing: Community college housing (simulated data, 2015)

student_sleep: Sleep for 110 students (simulated)

thanksgiving_spend: Thanksgiving spending, simulated based on Gallup poll.

tips: Tip data

toohey: Simulated polling dataset

toy_anova: Simulated dataset for ANOVA

Color palettes

These are the color palettes used in OpenIntro books.

COL: OpenIntro Statistics colors

IMSCOL: Introduction to Modern Statistics (IMS) Colors

openintro_colors: OpenIntro colors

openintro_palettes: OpenIntro palettes

Functions

These functions are used for creating visualisations and summary tables in the books as well as for keeping the OpenIntro datasets website up to date with the datasets in this package.

ArrowLines(): Create a Line That may have Arrows on the Ends

AxisInDollars(): Build Better Looking Axis Labels for US Dollars

AxisInPercent(): Build Better Looking Axis Labels for Percentages

BG(): Add background color to a plot

boxPlot(): Box plot

Braces(): Plot a Braces Symbol

buildAxis(): Axis function substitute

calc_streak(): Calculate hit streaks

CCP(): Plot a Cartesian Coordinate Plane

ChiSquareTail(): Plot upper tail in chi-square distribution

contTable(): Generate Contingency Tables for LaTeX

CT2DF(): Contingency Table to Data Frame

densityPlot(): Density plot

dlsegments(): Create a Double Line Segment Plot

dotPlot(): Dot plot

dotPlotStack(): Add a Stacked Dot Plot to an Existing Plot

edaPlot(): Exploratory data analysis plot

fadeColor(): Fade colors

histPlot(): Histogram or hollow histogram

lab_report(): lab_report

linResPlot(): Create simple regression plot with residual plot

lmPlot(): Linear regression plot with residual plot

loop(): Output a message while inside a loop

lsegments(): Create a Line Segment Plot

makeTube(): Regression tube

MosaicPlot(): Custom Mosaic Plot

myPDF(): Custom PDF function

normTail(): Normal distribution tails

openintro_cols(): Function to extract OpenIntro IMS colors as hex codes

openintro_pal(): Return function to interpolate an OpenIntro IMS color palette

PlotWLine(): Plot data and add a regression line

qqnormsim(): Generate simulated QQ plots

scale_color_openintro(): Color scale constructor for OpenIntro IMS colors

scale_fill_openintro(): Fill scale constructor for OpenIntro IMS colors

treeDiag(): Construct tree diagrams

write_pkg_data(): Create a CSV variant of .rda files