vit2005: Apartments in Vitoria
In PASWR: Probability and Statistics with R

vit2005

R Documentation

Apartments in Vitoria

Description

Descriptive information and the appraised total price (in Euros) for apartments in Vitoria, Spain.

Format

A data frame with 218 observations on the following 16 variables:

row.labels: the number of the observation
totalprice: the market total price (in Euros) of the apartment including garage(s) and storage room(s)
area: the total living area of the apartment in square meters
zone: a factor indicating the neighborhood where the apartment is located with levels Z11, Z21, Z31, Z32, Z34, Z35, Z36, Z37, Z38, Z41, Z42, Z43, Z44, Z45, Z46, Z47, Z48, Z49, Z52, Z53, Z56, Z61, and Z62.
category: a factor indicating the condition of the apartment with levels 2A, 2B, 3A, 3B, 4A, 4B, and 5A. The factors are ordered so that 2A is the best and 5A is the worst.
age: age of the aprtment
floor: floor on which the apartment is located
rooms: total number of rooms including bedrooms, dining room, and kitchen
out: a factor indicating the percent of the apartment exposed to the elements. The levels E100, E75, E50, and E25, correspond to complete exposure, 75% exposure, 50% exposure, and 25% exposure respectively.
conservation: is an ordered factor indicating the state of conservation of the apartment. The levels 1A, 2A, 2B, and 3A are ordered from best to worst conservation.
toilets: the number of bathrooms
garage: the number of garages
elevator: indicates the absence (0) or presence (1) of elevators.
streetcategory: an ordered factor from best to worst indicating the category of the street with levels S2, S3, S4, and S5
heating: a factor indicating the type of heating with levels 1A, 3A, 3B, and 4A which correspond to: no heating, low-standard private heating, high-standard private heating, and central heating respectively.
tras: the number of storage rooms outside of the apartment

Source

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.

Examples


modTotal <- lm(totalprice ~ area + as.factor(elevator) + 
area:as.factor(elevator), data = vit2005)
modSimpl <- lm(totalprice ~ area, data = vit2005)
anova(modSimpl,modTotal)
rm(modSimpl, modTotal)

PASWR documentation built on May 15, 2022, 5:05 p.m.