Datafiles

  • Hopkins_Forest Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Correlation, Data Display, Indicator Variables, Multiple Regression, Outliers, Partial Regression Plots, Re-expression, Regression, Residuals, Scatterplot, Summaries
  • Source: hmf.williams.edu/researchacademics/data/
  • Number of Cases: 365
  • Excerpt: The Hopkins Memorial Forest is a 2500-acre reserve in Massachusetts, New York, and Vermont managed by the Williams College Center for Environmental Studies (CES). As part of its mission, the CES monitors forest resources and conditions over the long term.


  • Hormones Download .TXT file Open in Data Desk ?
  • Methods: Nonparametric Methods
  • Source: Coates JM, HerbertJ. PNAS 2008;105:6167–6172. Copyright © National Academy of Sciences. Reproduced by the permission of National Academy of Sciences.)
  • Number of Cases: 17
  • Excerpt: Canadian researcher John Coates took saliva samples in the morning, twice a day for eight days, from 17 men working on a London mid-size trading f loor (trading a wide range of assets, with largest exposure to German interest rate futures), in June 2005, and classified each trader according to whether his testosterone level was […]


  • Hot_dogs Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression Inference, Regression, Regression Inference
  • Source: Consumer Reports
  • Number of Cases: 13
  • Excerpt: Facts about hot dogs as reported by Consumer Reports. How do they relate to each other?


  • Hotel_maids Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: Crum, Alia J., and Ellen J. Langer. 2007. Mind-set matters: Exercise and the placebo effect. Psychological Science 18, no. 2: 165-171.Published Version doi:10.1111/j.1467-9280.2007.01867.x Citable Link http://nrs.harvard.edu/urn-3:HUL.InstRepos:3196007
  • Number of Cases: 75
  • Excerpt: A Harvard psychologist recruited 75 female hotel maids to participate in a study. She randomly selected 41 of them, whom she informed (truthfully) that the work they do satisfies the Surgeon General’s recommendations for an active lifestyle, providing examples to show that their work is good exercise. The other 34 were told nothing. Various characteristics, […]


  • Housing_prices Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Indicator Variables, Multiple Regression, Partial Regression Plots, Re-expression, Regression, Scatterplot
  • Source: random sample of 1057 houses taken from full Saratoga Housing Data (De Veaux)
  • Number of Cases: 1057
  • Excerpt: House prices and properties in New York. What properties of a house can predict its price? Can we use such a model to identify houses that are extraordinarily expensive or inexpensive?


  • Housing_prices_GE19 Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression
  • Source: random sample of 1734 houses taken from full Saratoga Housing Data (De Veaux)
  • Number of Cases: 1734
  • Excerpt: House prices and properties in New York. What properties of a house can predict its price? Can we use such a model to identify houses that are extraordinarily expensive or inexpensive?


  • How_old_is_that_Tree Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Regression
  • Source: unknown
  • Number of Cases: 27
  • Excerpt: One can determine how old a tree is by counting its rings, but that requires either cutting the tree down or extracting a sample from the tree’s core. Can we estimate the tree’s age simply from its diameter?A forester measured 27 trees of the same species that had been cut down, and counted the rings […]


  • Hurricane_frequencies Download .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: http://www.aoml.noaa.gov/hrd/hurdat/All_U.S._Hurricanes.html
  • Number of Cases: 16
  • Excerpt: The National Hurricane Center lists the numbers of large (category 3, 4, or 5) hurricanes that have struck the United States by decade since 1851. The data are given here.




  • Hurricanes_2015 Download .TXT file Open in Data Desk ?
  • Methods: Indicator Variables, Multiple Regression, Partial Regression Plots, Regression
  • Source: http://www.aoml.noaa.gov/hrd/hurdat/All_U.S._Hurricanes.html
  • Number of Cases: 227
  • Excerpt: The barometric pressure at the center of a hurricane is often used to measurethe strength of the hurricane because it can predict the maximum wind speed of the storm. How well is the wind speed predicted by the barometric pressure?


  • Hurricanes_2018 Download .TXT file Open in Data Desk ?
  • Methods: R-squared, Regression, Residuals
  • Source: http://www.aoml.noaa.gov/hrd/hurdat/All_U.S._Hurricanes.html
  • Number of Cases: 233
  • Excerpt: The barometric pressure at the center of a hurricane is often used to measure the strength of the hurricane because it can predict the maximum wind speed of the storm. How well is the wind speed predicted by the barometric pressure?


  • Igf Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression
  • Source: J. Clin. Endocrinol. Metab. 78(3) 744-752, March, 1994
  • Number of Cases: 1334
  • Excerpt: This study includes measurements on people of various ages. The main variable of interest is the level of insulin-like growth factor (igƒ) (J. Clin. Endocrinol. Metab. 78(3): 744–752, March 1994). Each row in the data set corresponds to one individual.