Wolfram Research

Sample Data: Mark Twain Authorship

Distribution of word lengths for Mark Twain and Quintus Curtius Snodgrass.

The Adventures of Tom Sawyer

Plaintext for Mark Twain's "The Adventures of Tom Sawyer"

The Adventures of Huckleberry Finn

Plaintext for Mark Twain's "The Adventures of Huckleberry Finn"

A Connecticut Yankee in King Arthur's Court

Plaintext for Mark Twain's "A Connecticut Yankee in King Arthur's Court"

Guitar Chords for Picking

Complete set of 4-note guitar chords for picking

The Plastic Age

Plaintext for Percy Marks' "The Plastic Age"

Sample Data: Ship Wrecks

Locations of ship wrecks annotated with name marks

Sample Data: Spruce Trees

Locations of spruce trees annotated with diameter marks

Ant Nests

Locations of ant nests with marks denoting two types of species

Sample Data: Tennis Serves

Locations of successful tennis serves annotated with serving player marks

Sample Data: Swiss Rainfall

Sample locations of Swiss rainfall annotated with rainfall marks (in mm)

Sample Data: Amacrine Cells

Locations of amacrine cells (inhibitory interneurons in the retina) annotated with on/off marks

Sample Data: Paracou Kimboto Trees

Locations of Kimboto trees at Paracou in French Guiana, annotated with adult / juvenile marks

Sample Data: Longleaf Pines

Locations of longleaf pine trees annotated with diameter at breast height (in centimeters) marks

Sample Data: Shapley Supercluster Galaxies

Locations of Shapley supercluster galaxies annotated with magnitude, velocity (in km/s), and error marks

Sample Data: Waka Trees

Locations of trees recorded at Waka National Park, Gabon, annotated with diameter (in centimeters) marks

Friends, Romans, Countrymen

Soliloquy by Mark Antony in Act III, scene II of William Shakespeare's "Julius Caesar"

Sample Data: Sea Anemones

Locations of sea anemones (marine predatory animals, often quite colourful ), annotated with diameter marks

Sample Data: Wheat Yield

Locations of wheat yield uniformly sampled on a 25x20 lattice annotated with yield marks

Sample Data: Liverpool Cancer

Locations of cancer cases in North Liverpool, UK, annotated with subject type (case or control) marks

Sample Data: Sporophores

Locations of sporophores (the spore-bearing structure of a fungus) around a tree, annotated with three fungi species marks

Sample Data: Toronto Murders

Locations of murders in Toronto annotated with marks including victim age, victim sex, type, murder method, and year

Sample Data: Urkiola Woods

Locations of birch and oak trees in a secondary wood in Urkiola Natural Park (Spain) annotated with birch / oak marks

Sample Data: Scallop Abundance

Locations of scallop samples in the Atlantic Ocean, annotated with marks including the total number of scallops caught, the number of pre-recruit scallops, and the number of recruit scallops

Sample Data: Leukaemia NW England

Locations of leukaemia in N.W. England from 1982 to 1998 (inclusive), annotated with age, gender, deprivation index (higher values indicating less affluence), and subject type (case or control) marks

Sample Data: Meuse River

Locations of soil samples along the Dutch bank of the Meuse river north of Maastricht, annotated with marks including elevation (in meters), distance to river (in meters), flooding frequency, cadmium, copper, lead, an...

Sample Data: North Derbyshire Asthma

Locations of the residence of asthmatic (cases) and non-asthmatic (controls) children, annotated with marks including number of household smokers, subject type (case or control), hay fever occurrence, age, distance to...

Sample Data: London Cholera

Locations of the 1854 London cholera outbreak near Golden Square annotated with marks including the number of cases, distance (in meters) to the contaminated Broad Street water pump, distance (in meters) to a non-Broa...

Sample Data: NZ Trees

Locations of New Zealand trees without annotations

Sample Data: Spam Email

Dataset of email statistics for the classification of spam email

Hansen Solubility Parameters

Hansen solubility parameters for 211 common solvents