Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Луценко Е.В. - Интеллектуальные информационные системы. Учебное пособие - Краснодар, КубГАУ. 2004. - 633 с..doc
Скачиваний:
8
Добавлен:
01.07.2025
Размер:
34 Мб
Скачать
☆

3.2.4.2. Преобразование исходных данных из html-формата в промежуточные dbf- таблицы

3.2.4.2.1. Характеристика исходных данных

Из Internet по адресу: http://ftp.ics.uci.edu/pub/machine-learning-databases/zoo/zoo.names получаем исходную информацию: общее описание тестовой задачи (файл: zoo_names.htm) и обучающую выборку (файл: zoo_data.htm), которые приводятся далее без изменений.

Общее описание задачи (файл: zoo_names.Htm):

Zoo Database

From Richard Forsyth

Artificial

7 classes of animals

17 attributes (besides name), 15 Boolean and 2 numeric-valued

No missing attribute values

Ftp Access

1. Title: Zoo database

2. Source Information

-- Creator: Richard Forsyth

-- Donor: Richard S. Forsyth

8 Grosvenor Avenue

Mapperley Park

Nottingham NG3 5DX

0602-621676

-- Date: 5/15/1990

3. Past Usage:

-- None known other than what is shown in Forsyth's PC/BEAGLE User's Guide.

4. Relevant Information:

-- A simple database containing 17 Boolean-valued attributes. The "type"

attribute appears to be the class attribute. Here is a breakdown of

which animals are in which type: (I find it unusual that there are

2 instances of "frog" and one of "girl"!)

Class# Set of animals:

====== ===============================================================

1 (41) aardvark, antelope, bear, boar, buffalo, calf,

cavy, cheetah, deer, dolphin, elephant,

fruitbat, giraffe, girl, goat, gorilla, hamster,

hare, leopard, lion, lynx, mink, mole, mongoose,

opossum, oryx, platypus, polecat, pony,

porpoise, puma, pussycat, raccoon, reindeer,

seal, sealion, squirrel, vampire, vole, wallaby,wolf

2 (20) chicken, crow, dove, duck, flamingo, gull, hawk,

kiwi, lark, ostrich, parakeet, penguin, pheasant,

rhea, skimmer, skua, sparrow, swan, vulture, wren

3 (5) pitviper, seasnake, slowworm, tortoise, tuatara

4 (13) bass, carp, catfish, chub, dogfish, haddock,

herring, pike, piranha, seahorse, sole, stingray, tuna

5 (4) frog, frog, newt, toad

6 (8) flea, gnat, honeybee, housefly, ladybird, moth, termite, wasp

7 (10) clam, crab, crayfish, lobster, octopus,

scorpion, seawasp, slug, starfish, worm

5. Number of Instances: 101

6. Number of Attributes: 18 (animal name, 15 Boolean attributes, 2 numerics)

7. Attribute Information: (name of attribute and type of value domain)

1. animal name: Unique for each instance

2. hair Boolean

3. feathers Boolean

4. eggs Boolean

5. milk Boolean

6. airborne Boolean

7. aquatic Boolean

8. predator Boolean

9. toothed Boolean

10. backbone Boolean

11. breathes Boolean

12. venomous Boolean

13. fins Boolean

14. legs Numeric (set of values: {0,2,4,5,6,8})

15. tail Boolean

16. domestic Boolean

17. catsize Boolean

18. type Numeric (integer values in range [1,7])

8. Missing Attribute Values: None

9. Class Distribution: Given above