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Data Science. Proof of knowledge

Context

This dataset is a record of real estate transaction prices in Japan from 2005 to 2019, surveyed by the MLIT(Ministry of Land, Infrastructure, Transport and Tourism of Japan). Dataset contains real estate transaction prices for 47 prefectures in Japan.

FILE HERE

https://drive.google.com/file/d/144JpUmqlLZ4-z-EQxngSAWB4WYoaZ6kj/view?usp=sharing

Principal Data Fields

FieldName Description Values
Type Real Estate Type Residential Land(Land Only) , Agricultural Land , Residential Land(Land and Building) , Pre-owned Condominiums, etc. , Forest Land
Region The characteristics of surrounding areas Residential Area, Potential Residential Area, Commercial Area, Industrial Area
MunicipalityCode City code of japan
Prefecture Prefecture Name of japan
TimeToNearestStation Time to the nearest station (original). The original data contains non-numeric values(ex. 1H-1H30, 30-60minuts). It is difficult to use for data analysis, I added min/max time to nearrest station columns.
TradePrice Trade prices (Yen)
FloorPlan Floor plan 3LDK' '4DK' '2LDK' '4LDK' '2DK' '1K' '3LDK+S' '5LDK' '3DK' '1LDK' '2DK+S' 'Open Floor' '1DK' '1R' '4LDK+S' '2K' '2LDK+S' '6DK' '1LDK+S' '5DK' '1R+S' '1LK' '1K+S' '3K' '7LDK' '4K' '3DK+S' '3D' '1DK+S' '6LDK' 'Studio Apartment' '6LDK+S' '4L+K' '5LDK+S' '7DK' '3LK' '5K' '2K+S' '8LDK' '3LDK+K' '3LD' '1L' '4DK+S' '2LK' 'Duplex' '7LDK+S' '4LDK+K' '3LD+S' '2LD+S' '8LDK+S' '4L' '2L' '2LDK+K' '2LK+S' '5LDK+K' '1LD+S' '2L+S' '3K+S' '1DK+K' '2LD' '1L+S' '2D' '4D'
Areas The surveyed area (m^2)
AreaIsGreaterFlag An area of 2000 m^2 or greater, the area data are displayed 2000, and this flag is true.
UnitPrice Unit Land Price(Yen) per m^2
PricePerTsubo Unit Land Price(Yen) per Tsubo. Tsubo is a japanese units, see https://en.wikipedia.org/wiki/Pyeong#Tsubo
LandShape Land Shape Semi-rectangular Shaped' 'Semi-trapezoidal Shaped' 'Irregular Shaped' 'Trapezoidal Shaped' 'Rectangular Shaped' 'Semi-shaped' 'Semi-square Shaped' 'Square Shaped' 'Flag-shaped etc.'
TotalFloorArea Total Floor Area (m^2).
BuildingYear Construction Year of Building
Structure Building Structure. SRC= Steel frame reinforced concrete, RC= Reinforced concrete, S = Steel frame, LS = Light steel structure, B = Concrete block, W = Wooden RC' 'W' 'SRC' 'S' 'LS' 'S, W, LS' 'B' 'W, LS' 'RC, W' 'S, W' 'RC, S' 'W, B' 'RC, LS' 'RC, W, LS' 'RC, W, B' 'RC, S, LS' 'SRC, W' 'S, B' 'SRC, RC' 'S, LS' 'S, W, B' 'B, LS' 'RC, B' 'SRC, S' 'RC, S, W' 'SRC, B' 'W, B, LS' 'S, B, LS' 'RC, B, LS' 'RC, S, B' 'SRC, RC, S' 'SRC, LS' 'SRC, W, B' 'S, RC, W' 'RC, S, W, B'
Use Current Usage. For example, House, office, shop, factory, warehouse, workshop, parking lot, and other
Purpose The purpose of future use. For example, House, shop, office, factory, warehouse, and other. Other' 'House' 'Warehouse' 'Office' 'Factory' 'Shop'
Classification Frontage road Classification Road' 'City Road' 'Prefectural Road' nan 'Village Road' 'Private Road' 'National Highway' 'Access Road' 'Agricultural Road' 'Ward Road' 'Town Road' 'Kyoto/ Osaka Prefectural Road' 'Forest Road' 'Hokkaido Prefectural Road' 'Tokyo Metropolitan Road'
Period Time of transaction
Year Time of transaction year
Quarter Time of transaction year-quarter
Renovation renovation? Not yet 'Done'
Remarks Note

Questions & Inspiration

  • Has the price of real estate in Japan increased/decreased in the last 10 years? (residential use)
  • Is there a price difference between Tokyo(Capital of Japan) and local areas?
  • Are there any duplicates?
  • Develop an algorithm to do a basic Home Value Prediction

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