Wolfram Research

A Billion Bits of the Center Column of the Rule 30 Cellular Automaton

The center column of the rule 30 cellular automaton over a billion steps of evolution

Cunningham Number Factorizations

Numbers of the form b^n-1 and b^n+1 are factored for small prime bases b={2,3,5,7}

Sample Data: 1993 US Cars

Data from 93 cars, selected at random, on sale in the US in 1993 with 27 variables

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

Thunder Frequency by WMO Station

Average annual and monthly number of days with thunder

Epidemic Data for SARS

Cumulative number of reported suspect and probable cases

Sample Data: Rainfall Seeding

Rainfall in acre-feet from 52 clouds, of which 26 were chosen randomly and seeded with silver oxide.

Overcast Frequency by WMO Station

Average annual and monthly number of days without sunshine

Sample Data: Scientific Discoveries

Number of great scientific discoveries of each year

Fog Frequency by WMO Station

Average annual and monthly number of days with fog for 22 nations

Snowfall Frequency by WMO Station

Average annual and monthly number of days with snowfall for 9 nations

Rain Frequency by WMO Station

Average annual and monthly number of days with rain for 28 nations

Prussian Horse Kick Data

Number of soldiers in the Prussian cavalry killed by horse kicks

Sample Data: Warp Breaks

Number of breaks in yarn during weaving per loom.

OECD Data: Hospital Beds Per Country

OECD time series data for number of beds for 1000 inhabitants

Dust Frequency by WMO Station

Average annual and monthly number of days with dusty weather for Iran, Jordan, and Saudi Arabia

Published Papers Per Year on Cellular Automata

A time series of the number of papers published on cellular automata by year from 1974 through 2015

Hospital Beds Per US State

Time series data for number of beds per US state for 1000 inhabitants by ownership type

Infectious Diseases by Country 2009-2014

Number of reported, suspected and reported, and/or newly reported cases to the World Health Organization of selected contagious or infectious diseases like mumps and rubella by country from 2009 to 2014.

Human Cell Counts

BioNumbers

Sample Data: US Arrests

Number of arrests per 100,000 residents for assault, murder and rape in each of 50 U.S. states in 1973 and percentage of population living in urban areas for each state

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...