The data were collected as part of the 1990 US census. These are mostly counts cumulated at different survey levels. For the purpose of this data set a level

There are 4 prototasks:

- house-price-8H
- house-price-8L
- house-price-16H
- house-price-16L

Each prototask has 6 tasks of sizes: 64 128 256 512 1024
2048.

The test sets are hierarchical - within each task, separate
test set is used for each instance.

- P1 ---- total persons count in the region
- P2 ---- total families' count in the region
- P3 ---- total number of households (HH's)
- P5.1 --- percentage of males
- P6.2 --- percentage of black people
- P6.4 --- percentage of people which are of Asian or Pacific Islander race
- P11.3 -- percentage of people between 25-64 years of age
- P11.4 -- percentage over 64 years old
- P14.6 -- percentage of never-married females
- P14.9 -- percentage widowed females
- P15.1 -- percentage of people in family HH's
- P15.3 -- percentage of people in group quarters (incl jails)
- P16.1 -- percentage of HH's with 1 person
- P16.2 -- percentage of HH's with 2 or more persons which are family HH-lds
- P17A -- average family size
- P18.2 -- percentage of HH's with 1+ persons under 18 which are non-family HH-lds
- P19.2 -- percentage of HH's with black Householder (HH'lder)
- P19.4 -- percentage of HH's with asian HH'lder
- P20.1 -- percentage of HH's with Hispanic HH'lder
- P25.1 -- percentage of HH's with more then two persons 65 years old or more
- P26.1 -- percentage of HH's with more then one non-relatives living in
- P27.4 -- percentage of HH-lds which are non-family with 2+ persons
- H1 ---- total number of Housing Units (HU's)
- H2.1 --- percentage of HU's occupied
- H2.2 --- percentage of HU's vacant
- H3.1 --- percentage of occupied HU's which are owner-occupied
- H5.2 -- percentage of vacant HU's which are for sale only
- H5.6 -- percentage of vacant HU's which are not for rent, sale, migrant workers nor for seasonal, recreational or occasional use
- H8.1 --- percentage of occ-ed HU's with white HH-lder
- H8.2 --- percentage of occ-ed HU's with black HH-lder
- H10.1 -- percentage of occ-ed HU's with HH-lder not of Hispanic origin
- H10.2 -- percentage of occ-ed HU's with HH-lder of Hispanic origin
- H13.1 -- percentage of HU's with 1-4 rooms
- H15.1 -- Average number of rooms in an owner-occupied HU's
- H18.A -- average number of persons per ownOcc HU's
- H40.4 -- percentage of vacant-for-sale HU's vacant more then 6 months

**Contributed by: ** Rafal Kustra.

Last Updated 8 October 1996 Comments and questions to: delve@cs.toronto.edu |