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The spatial estimation of appartment rents: A brief introduction

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MaptimeBER: Thematic session: Mapping housing and rents

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The spatial estimation of appartment rents: A brief introduction

  1. 1. harald@schernthanner.de 1/10 The spatial estimation of appartment rents: A brief introduction Harald Schernthanner
  2. 2. harald@schernthanner.de My research Spatial analysis and visualization of appartment rents, to optimize the spatial view of real estate portals.  Machine learning, Geographic weighted regression and Kriging to improve spatial rental price estimation.  Application of different R packages: raster / spded / gstat / RandomForest
  3. 3. harald@schernthanner.de 3/10 Publishing average appartment rents is nonsense from a researchers point of view.
  4. 4. harald@schernthanner.de  Rental price modelling done by real estate portals is non spatial.  Analysis and maps base on descriptive statistics and/or hedonic analysis.
  5. 5. harald@schernthanner.de Hedonic regression = Non spatial state of the art  Equation estimates based on "intrinsic" values:  Room number  Space in m²  Kitchen
  6. 6. harald@schernthanner.de Spatial Interpolation Gitta Info (2015)  Unknown points are predicted by surrounding points.  Maps of temperature or height are common applications.
  7. 7. harald@schernthanner.de First Law of Geography - basic principle behind interpolation  "Everything is related to everything else, but near things are more related than distant things."  Tobler, W. R. (1970). A computer movie simulating urban growth in the Detroit region. Economic Geography, 46(2): 234-240.
  8. 8. harald@schernthanner.de State of the art - median rental price
  9. 9. harald@schernthanner.de State of the art - quiete coarse
  10. 10. harald@schernthanner.de Trend surface for 70m² flats 05/15 14 € / m² → Why no legend?
  11. 11. harald@schernthanner.de State of the art - overview?
  12. 12. harald@schernthanner.de Trend surface - Residential areas
  13. 13. harald@schernthanner.de Rental estimation per building block
  14. 14. harald@schernthanner.de Rental estimation as thematic building height
  15. 15. harald@schernthanner.de Ressources  International Journal of Housing Markets and Analysis  Immobilienzeitung  Gentrification blog  Immobilienportale.com

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