Ames logement

A team of researchers collects data from the sale of individual residential properties in Ames, Iowa. The researchers want to identify the variables that affect the sale price. Variables include the lot size and various features of the residential property.

You can use this data to demonstrate Regression Random Forests®.

The second data set includes a small number of new data points for the same variables. You can use this data set to demonstrate Prévoir for Regression Random Forests®.

Worksheet column Description
prix de vente The sale price of the property
façade de lot The amount of linear feet of street connected to property
zone de lot The lot size in square feet
zone placage The amount of masonry veneer area in square feet
sous-sol zone 1 The amount of type 1 finished basement area in square feet
sous-sol zone 2 The amount of type 2 finished basement area in square feet
sous-sol zone inachevée The amount of unfinished basement area in square feet
superficie totale du sous-sol The total amount of basement area in square feet
1er étage The amount of area on the first floor in square feet
Zone du 2ème étage The amount of area on the second floor in square feet
zone de mauvaise qualité The amount of low quality finished are in square feet (all floors)
zone de vie The amount of above grade living area in square feet
zone de garage The size of the garage in square feet
zone de pont en bois The wood deck area in square feet
zone de porche ouvert The open porch area in square feet
porche fermé The enclosed porch area in square feet
porche de saison The three-season porch area in square feet
porche d’écran The screened porch area in square feet
piscine The pool area in square feet
valeur diverse The monetary value of miscellaneous feature in dollars
année construite The original construction date
année remodelée The remodel date; this date is the same as construction date if no remodeling or additions
salles bains complètes sous-sol The number of full bathrooms in the basement
demi-salles bains au sous-sol The number of half bathrooms in the basement
salles de bains complètes The number of full bathrooms above grade
nombre de demi-salles de bains The number of half bathrooms above grade
nombre de chambres The number of bedrooms above grade
nombre de cuisines The number of kitchens above grade
chambres totales The total number of rooms above grade
nombre de foyers The number of fireplaces
année garage The original construction date of the garage
voitures de garage The size of garage in car capacity
mois vendu The month the property was sold
année vendue The year the property was sold
type The type of property: 20, 30, 40, 45, 50, 60, 70, 75, 80, 85, 90, 120, 150, 160, 180, or 190
zone The type of zoning: 1, 2, 3, 4, 5, 6, or 7
rue The type of road access to property: Gravel or Paved
ruelle The type of alley access to property: Gravel or Paved
forme de lot The shape of the lot: 1, 2, 3, or 4
aplatissement des terres The flatness of the property: Level, Bank, Hill, or Low
services publics municipaux The type of utilities available with the property: 1, 2, 3, or 4
configuration The configuration of the property: Inside, Corner, Cul-de-sac, Two sides, or Three sides
style pente The slope of the lot: 1, 2, or 3
quartier The neighborhood of the property: Blmngtn, Blueste, BrDale, BrkSide, ClearCr, CollgCr, Crawfor, Edwards, Gilbert, Greens, GrnHill, IDOTRR, Landmrk, MeadowV, Mitchel, NAmes, NoRidge, NPkVill, NridgHt, NWAmes, OldTown, Sawyer, SawyerW, Somerst, StoneBr, SWISU, Timber, or Veenker
état 1 Proximity to various type 1 conditions: Artery, Feeder, Normal, Positive A, Positive N, Adjacent EW, Adjacent NS, Near EW, or Near NS
état 2 Proximity to various type 2 conditions: Artery, Feeder, Normal, Positive A, Positive N, Adjacent EW, Adjacent NS, Near EW, or Near NS
qualité The overall material and finish quality of the property: 1–10
condition The overall condition of the property: 1–10
style toit The roof style of the property: Flat, Gable, Gambrel, Hip, Mansard, or Shed
matériau de toit The roof material: Tile, Composite, Membrane, Metal, Roll, Gravel, Shakes, or Wood
type extérieur 1 The primary type of exterior covering on the house: Asbestos, Asphalt, Brick, Brick Face, Cinder, Cement, Board, Imitation Stucco, Metal, Plywood, PreCast, Stone, Stucco, Vinyl, Wood Siding, or Wood Shingle.
type extérieur 2 The secondary type of exterior covering on the house: Asbestos, Asphalt, Brick, Brick Face, Cinder, Cement, Board, Imitation Stucco, Metal, Plywood, PreCast, Stone, Stucco, Vinyl, Wood Siding, or Wood Shingle.
type placage The type of veneer on the house: Brick, Brick Face, Cinder, None, or Stone.
qualité extérieure The quality of the exterior material: 1, 2, 3, or 4
état extérieur The condition of the exterior material: 1, 2, 3, 4, or 5
type de fondation The type of foundation: Brick, Cinder, Concrete, Slab, Stone, or Wood
hauteur du sous-sol The ceiling height rating of the basement: 1, 2, 3, 4, or 5
état du sous-sol The general condition of the basement: 1, 2, 3, 4, or 5
accès au sous-sol The type basement access: 1, 2, 3, or 4
finition sous-sol type 1 The rating of basement finished area, type 1: 1, 2, 3, 4, 5, or 6
finition sous-sol type 2 The rating of basement finished area, type 2: 1, 2, 3, 4, 5, or 6
type de chauffage The type of heating availalbe: Floor, Air, Water, Gravity, Other, or Wall
qualité de chauffage The overall heating quality: 1, 2, 3, 4, or 5
air central Whether the house has central air conditioning: N or Y
type électrique The type of electrical system: 1, 2, 3, 4, or 5
qualité de cuisine The quality of the kitchen: 1, 2, 3, 4, or 5
fonction The function of the home with respect to deductions: 1, 2, 3, 4, 5, or 6
qualité de cheminée The fireplace quality: 1, 2, 3, 4, or 5
type garage The type of garage: Multiple, Attached, Basement, Built In, Car Port, Detached, or NA
finition garage The type of interior garage finish: 1, 2, 3, or 4
qualité de garage The quality or the garage: 1, 2, 3, 4, or 5
état de garage The general condition of the garage: 1, 2, 3, 4, or 5
entraînement pavé Whether the driveway is paved: 1, 2, or 3
qualité de la piscine The quality of the pool: 1, 2, 3, 4, or 5
clôture The quality of the fence: 1, 2, 3, 4, or 5
misc fonctionnalité Whether the property has the following miscellaneous features: Elevator, Second Garage, Shed, Tennis, Other, or None
type de vente The type of sale: Conventional, Cash, VA, New, Court, Contract, Low Both, Low Interest, Low Payment, or Other
condition de vente The condition of the sale: Normal, Abnormal, Adjoining, Allocation, Family, or Partial

Reference

These data were adapted based on a public data set containing information on Ames housing data. Original data from DeCock, Truman State University.

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