This week’s editionA weekly paper on machine learning and what we wear
FitCheckLab

The weekly paper of clothing, fit and machine learning

Sizing

Size charts, grading rules and the measurement conventions a model inherits.

A size-chart grid whose column boundaries drift out of alignment from one row to the next.
Sizing

The long history of the size chart

Every automated sizing system inherits a set of numbers that were assembled long before anyone thought to compute with them. The inheritance shows.

A histogram of a measured reference population, with the thin tails at each end marked.
Sizing

Body measurement datasets and their gaps

The reference populations behind body models were assembled for particular purposes by particular institutions. Those purposes are still visible in the results.