WarsawApts: Apartment prices in Warsaw, Poland

In HRW: Datasets, Functions and Scripts for Semiparametric Regression Supporting Harezlak, Ruppert & Wand (2018)

Description

'WarsawApts' is a subset of the data set 'apartments' in the R package PBImisc. This dataset contains the prices of the apartments which were sold in Warsaw, Poland, during the calendar years 2007 to 2009.

Usage

data(WarsawApts)

Format

A data frame with 409 observations on the following 6 variables:

surface

area of the apartment in square meters.

district

a factor corresponding to the district of Warsaw with levels Mokotow, Srodmiescie, Wola and Zoliborz.

n.rooms

number of rooms in the apartment.

floor

floor on which the apartment is located.

construction.date

year that the apartment was constructed.

areaPerMzloty

area in square meters per million zloty.

Source

The Polish real estate web-site https://www.oferty.net.

References

Biecek, P. (2016). PBImisc: A set of datasets in My Classes or in the Book 'Modele Liniowe i Mieszane w R, Wraz z Przykladami w Analizie Danych' 1.0.

Examples

library(HRW) ; data(WarsawApts)
x <- WarsawApts$construction.date
y <- WarsawApts$areaPerMzloty
plot(x,y,bty = "l",col = "dodgerblue")
if (require("mgcv"))
{
   fitGAMcr <- gam(y ~ s(x,bs = "cr",k = 30))
   xg <- seq(min(x),max(x),length = 1001)
   fHatgGAMcr <- predict(fitGAMcr,newdata = data.frame(x = xg))
   lines(xg,fHatgGAMcr,col = "darkgreen")
}

Example output

Loading required package: KernSmooth
KernSmooth 2.23 loaded
Copyright M. P. Wand 1997-2009
Loading required package: splines
Loading required package: mgcv
Loading required package: nlme
This is mgcv 1.8-33. For overview type 'help("mgcv-package")'.

HRW documentation built on Nov. 23, 2021, 9:07 a.m.