10 Annexes
10.1 Annexe 1 : Liste exhaustive des colonnes
Le jeu de données contient initialement 81 colonnes
kable(
data.frame(
Colonnes = colnames(ames)[0:20],
".." = colnames(ames)[21:40],
"..." = colnames(ames)[41:60],
"...." = colnames(ames)[61:80]
))| Colonnes | .. | … | …. |
|---|---|---|---|
| MS_SubClass | Roof_Style | Central_Air | Garage_Area |
| MS_Zoning | Roof_Matl | Electrical | Garage_Qual |
| Lot_Frontage | Exterior_1st | First_Flr_SF | Garage_Cond |
| Lot_Area | Exterior_2nd | Second_Flr_SF | Paved_Drive |
| Street | Mas_Vnr_Type | Low_Qual_Fin_SF | Wood_Deck_SF |
| Alley | Mas_Vnr_Area | Gr_Liv_Area | Open_Porch_SF |
| Lot_Shape | Exter_Qual | Bsmt_Full_Bath | Enclosed_Porch |
| Land_Contour | Exter_Cond | Bsmt_Half_Bath | Three_season_porch |
| Utilities | Foundation | Full_Bath | Screen_Porch |
| Lot_Config | Bsmt_Qual | Half_Bath | Pool_Area |
| Land_Slope | Bsmt_Cond | Bedroom_AbvGr | Pool_QC |
| Neighborhood | Bsmt_Exposure | Kitchen_AbvGr | Fence |
| Condition_1 | BsmtFin_Type_1 | Kitchen_Qual | Misc_Feature |
| Condition_2 | BsmtFin_SF_1 | TotRms_AbvGrd | Misc_Val |
| Bldg_Type | BsmtFin_Type_2 | Functional | Mo_Sold |
| House_Style | BsmtFin_SF_2 | Fireplaces | Year_Sold |
| Overall_Qual | Bsmt_Unf_SF | Fireplace_Qu | Sale_Type |
| Overall_Cond | Total_Bsmt_SF | Garage_Type | Sale_Condition |
| Year_Built | Heating | Garage_Finish | Sale_Price |
| Year_Remod_Add | Heating_QC | Garage_Cars | Longitude |
10.2 Annexe 2: Les coefficients estimés par le PLS
Les coefficients varient d’une composante à une autre. Nous choisissons de représenter les coefficients calculés par la régression sur les moindres carrés partiels à partir des 5 composantes.
| Sale_Price | |
|---|---|
| Lot_Frontage | 2.65567843 |
| Lot_Area | 0.09450319 |
| Year_Built | 25.02291105 |
| Year_Remod_Add | 17.11894194 |
| Mas_Vnr_Area | 53.99187589 |
| BsmtFin_SF_1 | -0.37974232 |
| BsmtFin_SF_2 | -19.45242139 |
| Bsmt_Unf_SF | -20.25931355 |
| Total_Bsmt_SF | 67.71763140 |
| First_Flr_SF | 15.69656128 |
| Second_Flr_SF | 29.23820959 |
| Low_Qual_Fin_SF | -7.89461600 |
| Gr_Liv_Area | 37.04015486 |
| Bsmt_Full_Bath | 0.13961835 |
| Bsmt_Half_Bath | -0.02077214 |
| Full_Bath | 0.17455210 |
| Half_Bath | 0.12698764 |
| Bedroom_AbvGr | -0.33210041 |
| Kitchen_AbvGr | -0.11093901 |
| TotRms_AbvGrd | -0.08707872 |
| Fireplaces | 0.19772083 |
| Garage_Cars | 0.41039209 |
| Garage_Area | 90.71624581 |
| Wood_Deck_SF | 32.76562657 |
| Open_Porch_SF | 10.59779031 |
| Enclosed_Porch | -16.56734799 |
| Three_season_porch | 0.92416455 |
| Screen_Porch | 5.76805957 |
| Pool_Area | -3.97712625 |
| Misc_Val | -11.70509828 |
| Mo_Sold | 0.04506869 |
| Year_Sold | -0.06208878 |
| Overall_Qual | 0.18500925 |
| Overall_Cond | -0.32626718 |
10.3 Annexe 3 : Description des colonnes :
SalePrice - the property’s sale price in dollars. This is the target variable that you’re trying to predict.
MSSubClass: The building class
MSZoning: The general zoning classification
LotFrontage: Linear feet of street connected to property
LotArea: Lot size in square feet
Street: Type of road access
Alley: Type of alley access
LotShape: General shape of property
LandContour: Flatness of the property
Utilities: Type of utilities available
LotConfig: Lot configuration
LandSlope: Slope of property
Neighborhood: Physical locations within Ames city limits
Condition1: Proximity to main road or railroad
Condition2: Proximity to main road or railroad (if a second is present)
BldgType: Type of dwelling
HouseStyle: Style of dwelling
OverallQual: Overall material and finish quality
OverallCond: Overall condition rating
YearBuilt: Original construction date
YearRemodAdd: Remodel date
RoofStyle: Type of roof
RoofMatl: Roof material
Exterior1st: Exterior covering on house
Exterior2nd: Exterior covering on house (if more than one material)
MasVnrType: Masonry veneer type
MasVnrArea: Masonry veneer area in square feet
ExterQual: Exterior material quality
ExterCond: Present condition of the material on the exterior
Foundation: Type of foundation
BsmtQual: Height of the basement
BsmtCond: General condition of the basement
BsmtExposure: Walkout or garden level basement walls
BsmtFinType1: Quality of basement finished area
BsmtFinSF1: Type 1 finished square feet
BsmtFinType2: Quality of second finished area (if present)
BsmtFinSF2: Type 2 finished square feet
BsmtUnfSF: Unfinished square feet of basement area
TotalBsmtSF: Total square feet of basement area
Heating: Type of heating
HeatingQC: Heating quality and condition
CentralAir: Central air conditioning
Electrical: Electrical system
1stFlrSF: First Floor square feet
2ndFlrSF: Second floor square feet
LowQualFinSF: Low quality finished square feet (all floors)
GrLivArea: Above grade (ground) living area square feet
BsmtFullBath: Basement full bathrooms
BsmtHalfBath: Basement half bathrooms
FullBath: Full bathrooms above grade
HalfBath: Half baths above grade
Bedroom: Number of bedrooms above basement level
Kitchen: Number of kitchens
KitchenQual: Kitchen quality
TotRmsAbvGrd: Total rooms above grade (does not include bathrooms)
Functional: Home functionality rating
Fireplaces: Number of fireplaces
FireplaceQu: Fireplace quality
GarageType: Garage location
GarageYrBlt: Year garage was built
GarageFinish: Interior finish of the garage
GarageCars: Size of garage in car capacity
GarageArea: Size of garage in square feet
GarageQual: Garage quality
GarageCond: Garage condition
PavedDrive: Paved driveway
WoodDeckSF: Wood deck area in square feet
OpenPorchSF: Open porch area in square feet
EnclosedPorch: Enclosed porch area in square feet
3SsnPorch: Three season porch area in square feet
ScreenPorch: Screen porch area in square feet
PoolArea: Pool area in square feet
PoolQC: Pool quality
Fence: Fence quality
MiscFeature: Miscellaneous feature not covered in other categories
MiscVal: $Value of miscellaneous feature
MoSold: Month Sold
YrSold: Year Sold
SaleType: Type of sale
SaleCondition: Condition of sale