Sample Data for AI & ML
A collection of databases and datasets for the AI and Machine Learning communities
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Associated Tasks
Feature Type
Iris
A small classic dataset from Fisher, 1936. One of the earliest known datasets used for evaluating classification methods.
Associated Tasks:
Classification
Subject Area:
Biology
Heart Disease
4 databases: Cleveland, Hungary, Switzerland, and the VA Long Beach
Associated Tasks:
Classification
Subject Area:
Health and Medicine
Wine Quality
Two datasets are included, related to red and white vinho verde wine samples, from the north of Portugal. The goal is to model wine quality based on physicochemical tests (see [Cortez et al., 2009], h...
Instances:
4,900
Associated Tasks:
Classification, Regression
Subject Area:
Business
Adult
Predict whether annual income of an individual exceeds $50K/yr based on census data. Also known as "Census Income" dataset.
Instances:
48,840
Associated Tasks:
Classification
Subject Area:
Social Science
Breast Cancer Wisconsin (Diagnostic)
Diagnostic Wisconsin Breast Cancer Database.
Associated Tasks:
Classification
Subject Area:
Health and Medicine
Bank Marketing
The data is related with direct marketing campaigns (phone calls) of a Portuguese banking institution. The classification goal is to predict if the client will subscribe a term deposit (variable y).
Instances:
45,210
Associated Tasks:
Classification
Subject Area:
Business
Wine
Using chemical analysis to determine the origin of wines
Associated Tasks:
Classification
Subject Area:
Physics and Chemistry
Student Performance
Predict student performance in secondary education (high school).
Associated Tasks:
Classification, Regression
Subject Area:
Social Science
Online Retail
This is a transactional data set which contains all the transactions occurring between 01/12/2010 and 09/12/2011 for a UK-based and registered non-store online retail.
Instances:
541,910
Associated Tasks:
Classification, Clustering
Subject Area:
Business
Car Evaluation
Derived from simple hierarchical decision model, this database may be useful for testing constructive induction and structure discovery methods.
Instances:
1,730
Associated Tasks:
Classification
Subject Area:
Other
Diabetes
This diabetes dataset is from AIM '94
Associated Tasks:
Classification
Subject Area:
Health and Medicine
Predict Students' Dropout and Academic Success
A dataset created from a higher education institution (acquired from several disjoint databases) related to students enrolled in different undergraduate degrees, such as agronomy, design, education, n...
Instances:
4,420
Associated Tasks:
Classification
Subject Area:
Social Science
Automobile
From 1985 Ward's Automotive Yearbook
Associated Tasks:
Regression
Subject Area:
Other
Abalone
Predict the age of abalone from physical measurements
Instances:
4,180
Associated Tasks:
Classification, Regression
Subject Area:
Biology
Mushroom
From Audobon Society Field Guide; mushrooms described in terms of physical characteristics; classification: poisonous or edible
Instances:
8,120
Associated Tasks:
Classification
Subject Area:
Biology
Air Quality
Contains the responses of a gas multisensor device deployed on the field in an Italian city. Hourly responses averages are recorded along with gas concentrations references from a certified analyzer.
Instances:
9,360
Associated Tasks:
Regression
Subject Area:
Computer Science
Statlog (German Credit Data)
This dataset classifies people described by a set of attributes as good or bad credit risks. Comes in two formats (one all numeric). Also comes with a cost matrix
Instances:
1,000
Associated Tasks:
Classification
Subject Area:
Social Science
Dry Bean
Images of 13,611 grains of 7 different registered dry beans were taken with a high-resolution camera. A total of 16 features; 12 dimensions and 4 shape forms, were obtained from the grains.
Instances:
13,610
Associated Tasks:
Classification
Subject Area:
Biology
Human Activity Recognition Using Smartphones
Human Activity Recognition database built from the recordings of 30 subjects performing activities of daily living (ADL) while carrying a waist-mounted smartphone with embedded inertial sensors.
Instances:
10,300
Associated Tasks:
Classification, Clustering
Subject Area:
Computer Science
Default of Credit Card Clients
This research aimed at the case of customers' default payments in Taiwan and compares the predictive accuracy of probability of default among six data mining methods.
Instances:
30,000
Associated Tasks:
Classification
Subject Area:
Business
Estimation of Obesity Levels Based On Eating Habits and Physical Condition
This dataset include data for the estimation of obesity levels in individuals from the countries of Mexico, Peru and Colombia, based on their eating habits and physical condition.
Instances:
2,110
Associated Tasks:
Classification, Regression, Clustering
Subject Area:
Health and Medicine
Bike Sharing
This dataset contains the hourly and daily count of rental bikes between years 2011 and 2012 in Capital bikeshare system with the corresponding weather and seasonal information.
Instances:
17,390
Associated Tasks:
Regression
Subject Area:
Social Science
Auto MPG
Revised from CMU StatLib library, data concerns city-cycle fuel consumption
Associated Tasks:
Regression
Subject Area:
Other
Spambase
Classifying Email as Spam or Non-Spam
Instances:
4,600
Associated Tasks:
Classification
Subject Area:
Computer Science
Online Retail II
A real online retail transaction data set of two years.
Instances:
1,070,000
Associated Tasks:
Classification, Regression, Clustering
Subject Area:
Business
Breast Cancer Wisconsin (Original)
Original Wisconsin Breast Cancer Database
Associated Tasks:
Classification
Subject Area:
Health and Medicine
MAGIC Gamma Telescope
Data are MC generated to simulate registration of high energy gamma particles in an atmospheric Cherenkov telescope
Instances:
19,020
Associated Tasks:
Classification
Subject Area:
Physics and Chemistry
Breast Cancer
This breast cancer domain was obtained from the University Medical Centre, Institute of Oncology, Ljubljana, Yugoslavia. This is one of three domains provided by the Oncology Institute that has repeat...
Associated Tasks:
Classification
Subject Area:
Health and Medicine
SMS Spam Collection
The SMS Spam Collection is a public set of SMS labeled messages that have been collected for mobile phone spam research.
Instances:
5,570
Associated Tasks:
Classification, Clustering
Subject Area:
Computer Science
Individual Household Electric Power Consumption
Measurements of electric power consumption in one household with a one-minute sampling rate over a period of almost 4 years. Different electrical quantities and some sub-metering values are available.
Instances:
2,080,000
Associated Tasks:
Regression, Clustering
Subject Area:
Physics and Chemistry
CDC Diabetes Health Indicators
The Diabetes Health Indicators Dataset contains healthcare statistics and lifestyle survey information about people in general along with their diagnosis of diabetes. The 35 features consist of some d...
Instances:
253,680
Associated Tasks:
Classification
Subject Area:
Health and Medicine
Online Shoppers Purchasing Intention Dataset
Of the 12,330 sessions in the dataset, 84.5% (10,422) were negative class samples that did not end with shopping, and the rest (1908) were positive class samples ending with shopping.
Instances:
12,330
Associated Tasks:
Classification, Clustering
Subject Area:
Business
Census Income
Predict whether income exceeds $50K/yr based on census data. Also known as Adult dataset.
Instances:
48,840
Associated Tasks:
Classification
Subject Area:
Social Science
Forest Fires
This is a difficult regression task, where the aim is to predict the burned area of forest fires, in the northeast region of Portugal, by using meteorological and other data (see details at: http://ww...
Associated Tasks:
Regression
Subject Area:
Climate and Environment
Credit Approval
This data concerns credit card applications; good mix of attributes
Associated Tasks:
Classification
Subject Area:
Business
Heart Failure Clinical Records
This dataset contains the medical records of 299 patients who had heart failure, collected during their follow-up period, where each patient profile has 13 clinical features.
Associated Tasks:
Classification, Regression, Clustering
Subject Area:
Health and Medicine
Rice (Cammeo and Osmancik)
A total of 3810 rice grain's images were taken for the two species, processed and feature inferences were made. 7 morphological features were obtained for each grain of rice.
Instances:
3,810
Associated Tasks:
Classification
Subject Area:
Biology
Real Estate Valuation
The real estate valuation is a regression problem. The market historical data set of real estate valuation are collected from Sindian Dist., New Taipei City, Taiwan.
Associated Tasks:
Regression
Subject Area:
Business
Diabetes 130-US Hospitals for Years 1999-2008
The dataset represents ten years (1999-2008) of clinical care at 130 US hospitals and integrated delivery networks. Each row concerns hospital records of patients diagnosed with diabetes, who underwen...
Instances:
101,770
Associated Tasks:
Classification, Clustering
Subject Area:
Health and Medicine
Thyroid Disease
10 separate databases from Garavan Institute
Instances:
7,200
Associated Tasks:
Classification
Subject Area:
Health and Medicine
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