StratumHousing market dataset
Fifteen hundred residential listings with prices, size, condition, and dates — a mixed numeric-and-categorical dataset that's ideal for histograms, correlation, and your first regression.
You have the data. Here is the app that opens it. Drag the CSV in and Stratum types every column as it lands — then run the analysis this page describes, with no setup.
Try Stratum freeAt a glance
- Rows
- 1,500 listings
- Columns
- 15 (8 numeric, 6 categorical, 1 date)
- Format
- CSV (UTF-8, comma-delimited, header row)
- Size
- ~136 KB
- License
- CC0 1.0 — public domain, synthetic data
- Best for
- Histograms · correlation · linear regression · grouping
Columns
| Column | Type | Description |
|---|---|---|
ListingID | ID | Unique listing identifier (e.g. L00001). |
City | Categorical | City the property is in. |
Neighborhood | Categorical | Neighborhood within the city. |
PropertyType | Categorical | Condo, Townhouse, or Detached. |
Condition | Categorical | Reported condition (Fair → Excellent). |
Bedrooms | Integer | Number of bedrooms. |
Bathrooms | Numeric | Bathrooms, in halves (e.g. 2.5). |
SqFt | Integer | Interior floor area, square feet. |
LotSize_sqft | Integer | Lot size in square feet (0 for condos). |
Age_years | Integer | Age of the property in years. |
GarageSpaces | Integer | Number of garage spaces. |
ListPrice | Integer | Asking price in dollars. |
PricePerSqFt | Numeric | List price divided by interior area. |
DaysOnMarket | Integer | Days the listing has been active. |
ListingDate | Date | Date listed (YYYY-MM-DD). |
Things to try
- See the price distribution. A histogram of
ListPriceshows a classic right skew — perfect for talking about mean vs median. → Histograms lesson - Correlate the numerics. How tightly do
SqFt,Bedrooms, andListPricemove together? → Correlation lesson · What is r? - Build a regression. Predict
ListPricefrom size, age, and condition, then read the R². → Regression lesson - Compare groups. Box plots of price by
PropertyTypereveal how condos, townhouses, and detached homes differ. → Box & violin lesson
How to open it. Download the CSV, then drag it onto Stratum (or use File ▸ Import). Columns are typed automatically — numbers, the date, and the categories all detected — so you're charting within seconds. Get Stratum →
See also
- More data
- Clinical Trial · Survey Responses · Retail Sales
- Learn
- The 25-lesson tutorial · Statistics glossary