A measure of how widely values spread around their mean; a high standard deviation in price per square metre flags a heterogeneous or thinly traded submarket.
Related terms
- Web scraping
Automated extraction of data from websites, to be done responsibly and within terms.
- API
An application programming interface, a defined way for software systems to exchange data automatically; property portals and mapping services expose APIs that…
- Automated valuation model (AVM)
A statistical model that estimates property values from data at scale.
- Catchment modelling
Estimating the population and spending that a site can realistically draw, using distance, drive time, and competition; central to retail and mixed-use feasibi…
- Choropleth map
A thematic map that shades areas by the value of a variable, such as price or density; a fast way to reveal spatial patterns across a city or region.
- Data cleaning
Standardising, de-duplicating, and correcting raw data before analysis.
- Data normalisation
Adjusting data to a common scale or basis so figures are comparable, such as converting prices to per-square-metre or a common currency; a prerequisite for cro…
- Data provenance
The documented origin and chain of custody of a dataset; in markets with weak official statistics, knowing who collected the data and how is essential before y…