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Table 2 Data in a Swiss real estate advertisement portal: list of variables with less than 50% missing values

From: Mining volunteered geographic information for predictive energy data analytics

Attribute

Data type

Missing values (in %)

Description

Text

1.39

Main dwelling category

Categorical (e.g., house, dwelling, business)

2.01

Type of dwelling

Categorical (e.g., studio, single-family home, shared flat)

2.01

Geographic location

Coordinates

22.35

Amount rooms

Number

24.13

Living area

Number

30.64

Floor

Categorical (e.g., 1st, 2nd, attic)

32.77

Rent per month

Number

36.14

Area living flat

Number

42.86

Additional costs per month

Number

49.23

Net rent per month

Number

49.27