Evergreen
The Intercensal Method: hacking Healthy Life Expectancy.
A methodological note on estimating healthy life expectancy from two cross-sectional snapshots.
Read the methodDigital garden · Methods
Plain-English methods notes for ageing, health and inequality.
This section collects general statistical methods notes, explainers and practical reflections. Reusable ideas sit first; the technical notes for individual data stories are gathered in their own shelf below.
Method areas: health expectancy, microsimulation, longitudinal data,
survival analysis, competing risks, multistate models, Bayesian
uncertainty, causal inference, population projections, missing data,
measurement and visualisation. For practical data-access, software and
worked-analysis guides, use the
Knowledge Hub.
Future notes
Methods still to explain
Future notes may include what health expectancy is, what a microsimulation model actually does, why uncertainty matters in population projections, censoring, competing risks and plain-English multistate models.
Behind the data stories
Story technical notes
The data sources, calculations, geography choices and limitations behind each published visual story.