Table 4 The property related features (from Openhouse), their data type, the proportion of missing values, as well as how the imputation was done in each case
From: Does noise affect housing prices? A case study in the urban area of Thessaloniki
Feature | Type | Missing values | Imputation |
|---|---|---|---|
Size | Float | 0% | – |
NumberOfRooms | Int | 0% | – |
Latitude | Float | 0% | – |
Longitude | Float | 0% | – |
EnergyEfficiencyId | Categorical | 0% | – |
ConstructionDate | Datetime | 13.75% | Mean |
SubTypeId | Categorical | 0.17% | Mode |
FloorLevelId | Categorical | 0.30% | Rounded mean |
BasicHeatingTypeId | Categorical | 30.71% | Mode |
DoorFrameTypeId | Categorical | 31.77% | Mode |